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CLASS 42, FIREARMS 222, Dispensing, subclass 79 for dispensers simulat- ing firearms, e.g., water pistols, and subclass SECTION I - CLASS DEFINITION 192 for dispensers combined with firearms where only so much of the firearm as is neces- This class includes all the portable firearms, i.e., those sary to support or operate the dispenser is which are supported by hand when operated, such as claimed. shoulder guns, pistols, toy firearms and cane guns, 294, Handling: Hand and Hoist-Line Implements, except the automatic or explosion-operated firearms. subclasses 49+ for intrenching tools of the This class also has such firearms combined with clean- shovel type. ers, intrenching devices, bayonets, and other cutters (including specifically pistol-swords). The following devices are likewise found here either, per se, or in combination with the firearm; ram rods, gun-rests and some SUBCLASSES body supported arm rests. 1.01 INDICATORS: This subclass is indented under the class defini- SECTION II - REFERENCES TO OTHER tion. Devices having means to convey infor- CLASSES mation to one of the senses.

SEE OR SEARCH CLASS: 1.02 Magazine shot: 7, Compound Tools, subclass 158 for hand This subclass is indented under subclass 1.01. manipulable cutters (including bayonets) com- Devices comprising a compartment which bined with other tools. holds ammunition ready for chambering and 15, Brushing, Scrubbing, and General Cleaning, having means for indicating the presence or subclasses 104.05+ for gun cleaners. absence of ammunition or for indicating the 30, Cutlery, pertinent subclasses, for hand manipu- number of ammunition rounds left or spent lable cutters (including bayonets), per se, and from the compartment. subclasses 142+ for the combination of two or more cutters. 1.03 Single shot, e.g., digital type: 60, Power Plants, subclasses 632+, for one shot This subclass is indented under subclass 1.01. explosion actuated expansible chamber type Devices having means for either indicating the motors. total number of shots discharged from the fire- 81, Tools, subclass 3.05 and the notes thereto arm or whether a projectile has been fired. appended for shell projectile or wad extractors. 86, Ammunition and Explosive-Charge Making, 1.04 Hammer position: for pertinent sublcass(es) as determined by This subclass is indented under subclass 1.01. schedule review. Devices having means to designate the position 89, Ordnance, for heavier mounted guns,subclass of that part of the firing mechanism of a gun 14.1 for all barrels with heat exchangers, and that strikes the firing pin or cartridge primer. subclasses 125+ for automatic or explosion- operated firearms. 1.05 Chamber status: 102, Ammunition and Explosives, appropriate sub- This subclass is indented under subclass 1.01. classes, for gun projectiles, per se. Devices having means to designate the pres- 124, Mechanical Guns and Projectors, for mechani- ence or absence of ammunition in that part of a cal projectile throwing or impelling apparatus gun in which the ammunition is placed for fir- in which the propelling agent is nonexplosive. ing. 206, Special Receptacle or Package, subclass 317 for a weapon container (e.g., gun case). 1.06 WITH RECOIL REDUCER: 221, Article Dispensing, subclass 24 for article dis- This subclass is indented under the class defini- pensers shaped to simulate various figures and tion. Devices having means to decrease the which may include firearm simulations. Also, reaction of a gun after being discharged. see the class definition of Class 221 for article dispensers in other classes related to magazine feed in general.

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(1) Note. Recoil, particularly as pertains to 1.11 BODY BORNE REMOTE OPERATED: small firearms, is popularly called This subclass is indented under the class defini- “kick”. tion. Firearms attachable to some part of the body and discharged from or by another part of SEE OR SEARCH THIS CLASS, SUB- the body. CLASS: 74, for cushioned stocks. 1.12 CATTLE SLAUGHTER TYPE: This subclass is indented under the class defini- 1.07 WITH ADJUSTABLE HEAD SPACE: tion. Firearms specifically designed to dis- This subclass is indented under the class defini- charged a projectile solely for the purpose of tion. Devices having adjustable means to com- the humane slaughter of animals. pensate for the distance between the face of the locked bolt or breech block of a firearm and 1.13 TRIP, TRAP OR BURGLARY PREVEN- some specified point in the chamber. TION: This subclass is indented under the class defini- (1) Note. With guns designed for rimless, tion. Devices including hidden means attached bottlenecked cartridges, head space is to a firearm device which can discharge the the space between the bolt face and spec- firearm from a remote area when the hidden ified point on the shoulder of the cham- means are disturbed. ber; with guns using rimmed cartridges, the head space between the bolt face and 1.14 UNDERWATER TYPE: the ridge or abutment in the chamber This subclass is indented under the class defini- against which the rim rests; and with tion. Firearms adapted to be used and/or dis- guns using rimless straight-case car- charge in subaqueous conditions, e.g., spear tridges, the space between the bolt face guns, share cartridges, etc. and the ridge or point in the chamber where the mouth of the cartridge case SEE OR SEARCH CLASS: rests. 43, Fishing, Trapping, and Vermin Destroying, subclasses 6+ for fishing 1.071 By reaming: with harpoons and spears. This subclass is indented under subclass 1.07. 102, Ammunition and Explosives, sub- Subject matter includes enlarging the head- class 399 for marine-type projectiles. space or the space between the bolt face and 124, Mechanical Guns and Projectors, specified point on the shoulder of the chamber appropriate subclass. with a metal working tool. 1.15 FLARE TYPE GUN: 1.08 FOR DISCHARGING A STUNNING This subclass is indented under the class defini- AGENT: tion. Firearms particularly adapted to dis- This subclass is indented under the class defini- charge a pyrotechnic medium designed to pro- tion. Firearms specifically designed to fire a duce a source or light. projectile containing a gas or other medium so as to render physical insensibility to any one of 1.16 BILLY CLUB TYPE: the senses. This subclass is indented under the class definition. Firearms disguised as a wooden club 1.09 DISGUISED AS BODY ARTICLE: which would normally be used by policeman. This subclass is indented under the class definition. Firearms concealable in such a manner as 2 BREECH LOADING: to appear as an object normally worn, or car- This subclass is indented under the class defini- ried by person, e.g., pen gun, watch, etc. tion. Miscellaneous firearms adapted for loading at the breech. The subclasses under this title, except those of the spring-motor guns, and the grip-magazine pistols, are based on the movements of the breechblock or barrel in

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opening the breech. Features of magazine structure may be found in any of the magazine 9 Faucet breechblock: subclasses. This subclass is indented under subclass 2. The breechblock turns about a central fixed SEE OR SEARCH THIS CLASS, SUB- axis, which is perpendicular to the longitudinal CLASS: axis of the barrel like a faucet valve, to open 75, for frame and barrel fastenings for and close the breech. The charge is sometimes take-down purposes only. Where the received in this block and there retained when barrel must be separated from the fired. In other cases the block closes the frame for the purpose of loading and breech containing the charge. unloading, the patent is in this subclass (2). 10 Forward-sliding barrel: This subclass is indented under subclass 2. 5 Spring-motor operated: The barrel slides forward to open the breech. This subclass is indented under subclass 2. Firearms in which a spring, which is wound up, SEE OR SEARCH CLASS: is utilized to furnish the power for opening the 89, Ordnance, subclass 161 for automatic breech, usually by sliding the breechblock rear- guns of this type. ward, ejecting the shell, reloading and closing the breech. Usually one winding of the spring 11 Magazine: is sufficient for a magazine full of cartridges. This subclass is indented under subclass 10. Magazine-guns in which the barrel slides for- 6 Magazine guns: ward to open the breech, this movement also This subclass is indented under subclass 2. operating to reload the gun from the magazine. Miscellaneous breech-loading magazine-guns not classifiable in any of the other subclasses of 12 Side swinging barrel: magazine-guns. This subclass is indented under subclass 2. The barrel, to open the breech, is made to SEE OR SEARCH THIS CLASS, SUB- swing to one side. CLASS: 5, and 7. 13 Parallel pivot: This subclass is indented under subclass 12. 7 Grip magazine pistols: The barrel, to open the breech, is made to This subclass is indented under subclass 2. swing to one side on a pivot, or axis parallel to The magazine is placed in the handle or grip of the length or axis of the barrel. the pistol. Usually the breech-block slides rearward or the barrel forward to open the 14 Sliding breechblock: breech. This subclass is indented under subclass 2. The breechblock is made to slide in guides to SEE OR SEARCH CLASS: open or close the breech. 16, Miscellaneous Hardware (e.g., Bush- ing, Carpet Fastener, Caster, Door 15 Movable chamber: Closer, Panel Hanger, Attachable or This subclass is indented under subclass 14. Adjunct Handle, Hinge, Window Sash Firearms having a chamber which is movable Balance, etc.), subclass 111.1 and the relative to the barrel and surrounds or holds a notes thereto appended for handles cartridge or load in firing position, and which which also serve as receptacles. may be integral with, connected to, or separate 89, Ordnance, subclasses 195+ for auto- from, the sliding breechblock. matic guns of the grip magazine type. (1) Note. This subclass also includes sec- 8 Breech hinged barrel: tional chambers if at least one section is This subclass is indented under subclass 2. movable relative to the barrel. “Breakdown” guns in which the hinge is located at the breech.

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(2) Note. A magazine as distinguished from 19 Rotary: a chamber, does not hold the cartridge or This subclass is indented under subclass 17. load in firing position. Firearms in which a rotary magazine, like a revolver-cylinder, is employed to bring the car- SEE OR SEARCH THIS CLASS, SUB- tridges successively to position in line with the CLASS: breech, where they are pushed into the barrel 27, and 39.5, for other firearms having by the returning breechblock. In revolvers the movable chambers. cartridges are retained in the cylinder when 59+, for all firearms, whether breech or fired. muzzle loaded, having a revolving cylinder adapted to hold two or more SEE OR SEARCH THIS CLASS, SUB- cartridges and to bring each succes- CLASS: sively to firing position. 59,

SEE OR SEARCH CLASS: 20 Pivoted hammer: 89, Ordnance, subclasses 155+ for auto- This subclass is indented under subclass 16. matic guns with movable chambers. Guns of this type in which a pivoted hammer is employed to strike the charge or a firing-pin 16 Rearward: which transmits the blow to the charge. This subclass is indented under subclass 14. The breechblock, in opening the breech, is SEE OR SEARCH THIS CLASS, SUB- made to slide rearward substantially in line CLASS: with the barrel. 5, and 7.

SEE OR SEARCH THIS CLASS, SUB- 21 Magazine: CLASS: This subclass is indented under subclass 20. 5, and 7. Magazine-guns of the type in the preceding subclass. 16.1 Method of making: This subclass is indented under subclass 16. 22 Box: Subject matter includes a step of fabricating a This subclass is indented under subclass 21. rearward sliding breechblock. Magazine-guns with this breech-block movement which have the side-feeding or “box” 17 Magazine: magazine. This subclass is indented under subclass 16. Magazine-guns having a breechblock made to SEE OR SEARCH THIS CLASS, SUB- slide rearward substantially in line with the CLASS: gun-barrel. 5, and 7.

SEE OR SEARCH THIS CLASS, SUB- 23 Vertical mortise: CLASS: This subclass is indented under subclass 14. 5, and 7. The breech-block, in opening the breech, slides vertically in a mortise. 18 Box: This subclass is indented under subclass 17. 24 Magazine: The magazine is of the side-feeding or “box” This subclass is indented under subclass 23. type. Magazine-guns which have the breechblock fitted to slide in a vertical mortise. SEE OR SEARCH THIS CLASS, SUB- CLASS: 25 Extractors: 5, and 7. This subclass is indented under subclass 16. Shell-extracting devices pertaining to this type of gun.

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26 Swinging breechblock: 34 Rearward and downward: This subclass is indented under subclass 2. This subclass is indented under subclass 26. The breech-block is hinged or pivoted and The breech-block is pivoted below the gun- made to swing to open the breech. axis, and the upper part of the block, to open the breech, swings rearward and downward. 27 Movable chamber: This subclass is indented under subclass 26. 35 Magazine: Firearms having a chamber which is movable This subclass is indented under subclass 34. relative to the barrel and which surrounds or Magazine-guns in which the breech-block, to holds a cartridge or load in firing position, and open the breech, swings to the rear and down- which may be integral with, connected to, or ward. separated from, the swinging breechblock. 36 Upward and forward: SEE OR SEARCH THIS CLASS, SUB- This subclass is indented under subclass 26. CLASS: The breech-block is pivoted at its forward part, 15, 39.5 and 59+, and see the notes under and, to open the breech, its rearward part subclass 15. swings upward and forward.

28 Downward and rearward: 37 Magazine: This subclass is indented under subclass 26. This subclass is indented under subclass 36. The breech-block being pivoted at its rear end, Magazine-guns in which the breech-block is its front end swings downward and to the rear pivoted at its forward part and, to open the to uncover the breech. breech, swings the rearward part upward and forward. 29 Magazine: This subclass is indented under subclass 28. 38 Upward and rearward: Magazine-guns in which the breech-block is This subclass is indented under subclass 26. pivoted at its rear end, so its front end swings The breech-block is pivoted at the rear end, and downward and to the rear. to open the breech, its forward end swings upward and to the rear. 30 Laterally forward: This subclass is indented under subclass 26. 39 Magazine: The breech-block, pivoted at its forward end, This subclass is indented under subclass 38. swings outward and forward at its rear end to Magazine-guns in which the breech-block is open the breech. pivoted at its rear end. To open the breech, its forward end swings upward and to the rear. 31 Laterally rearward: This subclass is indented under subclass 26. 39.5 Movable chamber: The breech-block is pivoted at its rear end, and This subclass is indented under subclass 2. its front end swings outward and to the rear to Firearms having a chamber which is movable open the breech. relative to the barrel and which surrounds or holds the cartridge or load in firing position. 32 Parallel pivot: This subclass is indented under subclass 26. (1) Note. Plural chambers carried by end- The breech-block, to open the breech, swings less carriers and moved by star wheels or on a pivot or hinge which is parallel with the formed by tangential contact of two cyl- gun-barrel axis. inders having complementary grooves, are in this subclass rather than subclasses 33 Magazine: 59+. This subclass is indented under subclass 32. Magazine-guns in which the breech-block, to open the breech, swings on a pivot or hinge which is parallel to the gun-axis.

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SEE OR SEARCH THIS CLASS, SUB- 43 Cocking devices: CLASS: This subclass is indented under subclass 41. 15, 27 and 59+, and see the notes under In the breaking down of the gun or in closing subclass 15. the breech the hammer is cocked.

40 Upward-tilting breech: 44 Barrel locks: This subclass is indented under subclass 2. This subclass is indented under subclass 40. The barrel is pivoted to the stock at a point in Devices for holding or locking the breech in advance of the breech, and, to open the breech, the closed position. the barrel swings on this pivot, the muzzle downward and breech upward. These are often 45 Hammer cocking: styled “breakdown” guns. This subclass is indented under subclass 44. Barrel-locking devices which also operate to 41 Firing mechanism: cock or partly cock the hammer. This subclass is indented under subclass 40. Guns having means functioning to ignite or to 46 Extractors: control the igniting of the charge. This subclass is indented under subclass 40. Shell-extracting mechanism usually operated (1) Note. The term “lock” is sometimes by the breakdown of the gun. used to designate firing mechanism, particularly in the older patents. 47 Ejectors: This subclass is indented under subclass 40. SEE OR SEARCH THIS CLASS, SUB- Mechanism, usually operated by the break- CLASS: down of the gun, for throwing out or ejecting 65+, for firing mechanism limited to the cartridge-shells. revolvers. 69+, for firing mechanism not limited to 48 Hammer: revolvers nor to upward swinging This subclass is indented under subclass 47. breech guns. The ejector is struck by an ejector hammer, usually in breaking down the gun, and thus 42.01 With single actuator: throws out the cartridge-shells. This subclass is indented under subclass 41. Devices having a single trigger that is intercon- 49.01 Magazines: nected to two or more firing train mechanisms This subclass is indented under subclass 2. of a firearm which is comprised of plural bar- Devices comprising a dtructure or compart- rels and may be discharged either simulta- ment for storing ammunition or explosives neously or sequentially. ready for chambering and which may be detachable or nondetachable to the firearm. 42.02 Plural triggers: This subclass is indented under subclass 42.01. SEE OR SEARCH THIS CLASS, SUB- Devices wherein the plural triggers are inter- CLASS: connected to a firing train mechanism and plu- 6, for magazines guns. ral triggers are operated by a single trigger 11, 17, 18, 21, and 22, for breech loading actuator. firearm type magazines. 59+, for revolving cylinders containing 42.03 Single trigger and hammer: cartridges. This subclass is indented under subclass 42.01. 87+, for magazine chargers. Devices wherein a single trigger actuator is utilized to operate the firing train mechanism SEE OR SEARCH CLASS: device which discharges each of the plural bar- 89, Ordnance, subclasses 33.01+ for car- rels. tridge feeding devices.

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barrel in which an explosive is placed and 49.02 Adapters or capacity reducers: fired. This subclass is indented under subclass 49.01. Devices including structure which provides for SEE OR SEARCH CLASS: the feeding and firing of difference size caliber 102, Ammunition and Explosives, sub- rounds within the firearm. classes 202+ for caps for toy firearms. 124, Mechanical Guns and Projectors, sub- SEE OR SEARCH THIS CLASS, SUB- class 2 for spring or air guns which CLASS: project a missile and also explode a 16, for bolt adapters. cap. 77, for barrel adapters. 222, Dispensing, subclass 79 for simu- lated firearms, e.g., water pistols, and 49.1 Method of making: subclass 192 for dispensers (other This subclass is indented under subclass 49.01. than cartridge magazines) combined Subject matter includes a step of fabricating a with firearms where only so much of structure or compartment for storing ammuni- the firearm as is necessary to support tion or explosives ready for chambering. or operate the dispenser is claimed. 446, Amusement Devices: Toys, sub- 50 Box: classes 398+ for cap-exploding toy This subclass is indented under subclass 49.01. which do not simulate firearms; and The novelty resides solely in the magazine, of subclass 473 for toy firearms which the side-feeding or “box” type. do not explode caps.

SEE OR SEARCH THIS CLASS, SUB- 55 Cannon: CLASS: This subclass is indented under subclass 54. 88, Devices made in imitation of cannon, mortars, etc., and adapted to hold an explosive charge, 51 MUZZLE LOADERS: generally a firecracker. A projectile may or This subclass is indented under the class defini- may not be used. tion. Firearms which can be loaded only through the muzzle. SEE OR SEARCH CLASS: 124, Mechanical Guns and Projectors, sub- 52 CANE GUNS: class 29 for devices made in imitation This subclass is indented under the class defini- of pieces of ordnance adapted to tion. Walking-canes, which are adapted also to project a missile by some mechanical be used as firearms. means.

53 PISTOL SWORDS: 57 Ribbon fed: This subclass is indented under the class defini- This subclass is indented under subclass 54. tion. Those pistols which combine therewith a The device is adapted to receive a “ribbon” of sword or knife attachment. the explosives or caps and feed this ribbon as the caps are successively exploded by the ham- SEE OR SEARCH CLASS: mer. 30, Cutlery, appropriate subclasses for cutters not attached to or combined 58 Revolvers: with a gun. This subclass is indented under subclass 54. The toy is made to imitate a revolver. 54 TOY: This subclass is indented under the class defini- 59 REVOLVERS: tion. Devices--such as toy pistols, cannon, This subclass is indented under the class defini- etc., -- made to imitate firearms and which tion. Pistols or rifles in which there is a revolv- either fire an explosive, like a cap or match, by ing cylinder adapted to carry a plurality of means of some sort of a lock or which have a loads and bring each load successively to firing position.

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SEE OR SEARCH THIS CLASS, SUB- SEE OR SEARCH THIS CLASS, SUB- CLASS: CLASS: 39.5, for plural chambers carried by endless 41+, for firing mechanism limited to chains or formed by tangential contact upward swinging breech guns. of two cylinders having complemen- 69+, for firing mechanism not limited to tary grooves. upward swinging breach guns nor to revolvers. SEE OR SEARCH CLASS: 89, Ordnance, subclasses 13.05+ for 66 Safety devices: machine guns with revolving cylin- This subclass is indented under subclass 65. ders, and subclasses 155+ for auto- Arrangements for preventing premature explo- matic guns with movable chambers. sion of the charge.

60 Magazine-fed cylinder: SEE OR SEARCH THIS CLASS, SUB- This subclass is indented under subclass 59. CLASS: The revolver carries a fixed magazine from 83, which the cylinder is supplied or fed. 67 Cylinder stops: SEE OR SEARCH THIS CLASS, SUB- This subclass is indented under subclass 65. CLASS: Devices for checking the revolution of the cyl- 19, inder and holding it during the firing.

61 Cylinder loaded from muzzle end: 68 Shell extractors: This subclass is indented under subclass 59. This subclass is indented under subclass 59. The cylinder can be loaded only from the for- Shell-extracting mechanism. ward end. 69.01 FIRING MECHANISM: 62 Swinging cylinder: This subclass is indented under the class defini- This subclass is indented under subclass 59. tion. Devices having devices which enable the The cylinder swings outward to reload, clean, firing train mechanism or any part thereof to be etc. actuated to discharge the firearm.

63 Hinged barrel: 69.02 Rearward sliding breech bolt: This subclass is indented under subclass 59. This subclass is indented under subclass 69.01. Revolvers of the breakdown type. Devices wherein the firearm has a rearwardly sliding breech bolt for closing the rear part of 64 Barrel catches: the barrel during firing. This subclass is indented under subclass 63. Devices for locking or holding the barrel in its 69.03 With pivoted hammer: closed operative position. This subclass is indented under subclass 69.02. Devices wherein the firing train includes a piv- 65 Firing mechanism: oted hammer for striking a firing pin. This subclass is indented under subclass 59. Guns having means functioning to ignite or to 70.01 SAFETY MECHANISM: control the igniting of the charge. This subclass is indented under the class definition. Devices having means for temporarily (1) Note. The term “lock” is sometimes securing some part of a firearm to render it used to designate firing mechanism, par- inoperative. ticularly in the older patents. SEE OR SEARCH THIS CLASS, SUB- CLASS: 41, 65+ and 69.01+, for other types of safety devices on the firearm.

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SEE OR SEARCH CLASS: 70.08 Hammer of firing pin: 89, Ordnance, subclasses 137+, 142 and This subclass is indented under subclass 70.01. 148 to 154 for safety devices used in Devices wherein the security mechanism is automatic guns. located on or engages that part of the firing mechanism that strikes the firing pin or percus- 70.02 Magazine operated: sion cap to prevent discharging the firearm. This subclass is indented under subclass 70.01. Devices wherein the security mechanism for 70.09 Responsive to particular firing angle: rendering the firearm inoperative is operated This subclass is indented under subclass 70.01. by the magazine or some element thereof. Devices having means which prevent the firearm from being discharged unless the firearm 70.03 Shoulder operated: is disposed at a particular elevation. This subclass is indented under subclass 70.01. Devices wherein a hand held firearm includes 70.11 Firearm lock: mechanism in the butt end of the firearm that is This subclass is indented under subclass 70.01. activated from a security condition to an opera- Devices designed to prevent the use of the fire- tive condition by bracing the butt end against arm. the shoulder of a person firing the firearm. 71.01 STOCKS: 70.04 Sear trigger lock: This subclass is indented under the class defini- This subclass is indented under subclass 70.01. tion. Devices comprising supporting frame- Devices wherein the security mechanism pre- work or structure which is normally attached to vents movement of the firing train by prevent- a firearm for supporting the barrel and receiver ing the operation of both the trigger and the of the firearm. sear device. 71.02 For pistols: (1) Note. Sear is the part or device which This subclass is indented under subclass 71.01. engages the hammer, striker or other fir- Devices wherein the framework or structure is ing device and holds it in the cocked designed to support a small caliber firearm position until firing is desired. The sear which is held and fired with one hand. is disengaged to cause firing by trigger movement. SEE OR SEARCH THIS CLASS, SUB- CLASS: 70.05 Sear lock: 7, for pistol grip magazines. This subclass is indented under subclass 70.01. Devices wherein the security mechanism pre- 72 Auxiliary: vents movement of the firing train by prevent- This subclass is indented under subclass 71.01. ing the operation or movement of the sear Additional or auxiliary stocks to be attached device. usually to pistol-handles to convert them into shoulder-guns. 70.06 Trigger lock: This subclass is indented under subclass 70.01. 73 Adjustable: Devices including means that prevent the trig- This subclass is indented under subclass 71.01. ger device of a firearm from movement. Adjustably-attached stocks to permit varying the angle between the stock and barrel. 70.07 On trigger guard: This subclass is indented under subclass 70.01. 74 Cushioned: Devices wherein the firearm includes a protec- This subclass is indented under subclass 71.01. tive device over the trigger and further includes Rubber, spring, air, or other cushioned gunbutt means to cover the protective device so as to to diminish the effect of the recoil or “kick” of prevent access to the trigger. the gun.

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75.01 STOCK OR BARREL CONNECTORS: 76.1 Method of making or modifying by metal This subclass is indented under the class defini- working: tion. Devices having means for fastening the This subclass is indented under subclass 76.01. stock of a firearm, the receiver and/or the bar- Subject matter includes (a) a step of fabricating rel to each other. or (b) a step of altering by reshaping using, e.g., a lathe, a boring device, machine, or other (1) Note. A receiver is that part of the gun tools or devices used in the art. which contains the firing mechanism and the stock and barrel are connected SEE OR SEARCH THIS CLASS, SUB- thereto. CLASS: 76.1, for muzzle making, attaching, or 75.02 Barrel to receiver: repairing. This subclass is indented under subclass 75.01. Devices having means for fastening the barrel SEE OR SEARCH CLASS: of a firearm to the receiver. 89, Ordnance, subclass 14.7 for lining, rifling, or making barrels. 75.03 Receiver to stock: This subclass is indented under subclass 75.01. 77 Auxiliary: Devices having means for fastening the This subclass is indented under subclass 76.01. receiver to the stock. Barrels some of which are adapted to be placed within the usual barrel to make a rifle in place 75.04 Hinged or pivoted barrel: of a shotgun or for some other reason to reduce This subclass is indented under subclass 75.01. the usual bore; some barrels adapted to be Devices wherein the barrel may be moved in placed by and removed from the side of the any direction about an axis relative to the stock usual barrel to make a double-barreled gun or and/or receiver. one with a shot and also a rifle barrel.

75.1 Method of making: SEE OR SEARCH CLASS: This subclass is indented under subclass 75.01. 89, Ordnance, subclass 29. Subject matter includes fabricating a projectile 102, Ammunition and Explosives, sub- delivery tube together with a handle, usually as classes 444+ for auxiliary barrels hav- one piece. ing a subcaliber bore and adapted to be loaded or otherwise handled like a 76.01 BARRELS: practice cartridge. This subclass is indented under the class definition. Device comprising a tubular structure 78 Rifling or lining: through which a projectile is fired. This subclass is indented under subclass 76.01. Gun barrels in which the novelty resides in the (1) Note. Included in this subclass are bar- rifling. This subclass includes rifling for heavy rels having means for uniting two or ordnance as well as for the lighter firearms. more barrels. 79 Choke devices: SEE OR SEARCH CLASS: This subclass is indented under subclass 76.01. 89, Ordnance, subclasses 14.05+ for bar- Gun muzzle constructions or muzzle attach- rels and barrel structure used with ments designed to prevent the shot scattering ordnance devices. when the charge leaves the gun.

76.02 Materials or coatings: 83 NIPPLES AND GUARDS: This subclass is indented under subclass 76.01. This subclass is indented under the class defini- Subject matter comprising the substance of tion. Nipple structures and also guards either which the barrel is made of compositions for carried by the stock or by the hammer and treating the surface or the barrel. adapted to prevent the hammer prematurely striking the nipple.

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SEE OR SEARCH THIS CLASS, SUB- SEE OR SEARCH THIS CLASS, SUB- CLASS: CLASS: 66, 52, for cane guns combined with swords. 53, for pistols combined with swords. 84 ELECTRIC APPLIANCES: 90, for other type cutters combined with This subclass is indented under the class defini- guns. tion. Principally electric firing devices. Some alarms for indicating when the guns of the SEE OR SEARCH CLASS: “hammerless” type are set at “unsafe”. 7, Compound Tools, subclass 158 for cutters combined with other imple- (1) Note. For electrical releasing devices for ments, and particularly subclass 116 mechanical projecting devices, see Class for cutters combined with intrenching 124, Mechanical Guns and Projectors, tools. subclass 32. 30, Cutlery, pertinent subclasses, for bayonets and other cutters, per se, and SEE OR SEARCH CLASS: subclass 142 and indented subclasses, 89, Ordnance, subclasses 28.05+ for elec- for combined cutlery. tric firing devices for non automatic 482, Exercise Devices, particularly sub- ordnance, and subclass 135 for elec- class 12 for exercise apparatus involv- tric firing devices for automatic guns. ing thrusting a pointed weapon, e.g., a 362, Illumination, subclasses 110+ for fencing foil, etc., or a simulation electric-lighting devices combined thereof. with firearms. 87 MAGAZINE CHARGERS: 85 GUN TRIMMINGS: This subclass is indented under the class defini- This subclass is indented under the class definition. Devices for temporarily holding a series tion. Hands, clips, hooks, etc., combined with of cartridges or gun charges and inserting them the gun, for sling-strap attachment, gun-stack- in the gun-magazine. ing, and ram or wiper rod attachment. SEE OR SEARCH THIS CLASS, SUB- SEE OR SEARCH CLASS: CLASS: 24, Buckles, Buttons, Clasps, etc., sub- 49, class 2.5 for bands which hold the barrel of a gun to its stock and in addi- SEE OR SEARCH CLASS: tion perform some other function, 224, Package and Article Carriers, sub- e.g., support a hook and/or one or classes 196, 199, 223, 239, 600+, more loops, and subclass 265 for 660+, and cross-reference art collect strap-end-attaching devices. 931 for cartridge holders combined 224, Package and Article Carriers, sub- with carrying means. class 150, for gun slings and carriers not claiming significant gun structure. 88 Packs: 248, Supports, subclasses 683+ for article This subclass is indented under subclass 87. carried supports which support the Cartridge-holding clips or packs for tempo- article in storage position and remain rarily holding the loads and inserting them in with the article when in use. the gun-magazine.

86 BAYONETS: SEE OR SEARCH THIS CLASS, SUB- This subclass is indented under the class defini- CLASS: tion. Gun bayonets of various kinds in combi- 50, nation with the firearm.

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89 Revolver: 96 Firearm protectors: This subclass is indented under subclass 88. This subclass is indented under subclass 90. Devices for temporarily holding cartridges in Devices including means which are utilized to such position as to readily insert them in the preserve or safeguard the outer or inner parts of cylinder of a revolver. the firearm.

90 IMPLEMENTS: SEE OR SEARCH THIS CLASS, SUB- This subclass is indented under the class defini- CLASS: tion. Various implements intimately associated 70.07, for devices that fit on trigger guard to with the use of firearms, such as cartridge- prevent access to trigger. openers, loaders for muzzle-loading guns, 74, for cushioned pads that fit over the wire-fence-cutting attachments when com- firearm stock. bined with the gun, etc. SEE OR SEARCH CLASS: SEE OR SEARCH CLASS: 206, Special Receptacle or Package, sub- 30, Cutlery, appropriate subclasses, for class 317 for a receptacle for a cutters not attached to or combined weapon (e.g., gun case). with a gun. 97 Weights and balances: 93 Intrenching: This subclass is indented under subclass 90. This subclass is indented under subclass 90. Devices including means which are attached to Digging implements combined with the gun. portions of the firearm to equalize or to compensate for imbalance in the firearm weight. SEE OR SEARCH CLASS: 7, Compound Tools, subclass 116 for 98 Shell catchers: shovel type tools combined with cut- This subclass is indented under subclass 90. ters (including bayonets). Devices including means attached to the fire- 294, Handling: Hand and Hoist-Line arm to capture ejected shells. Implements, subclass 49, and indented subclasses, for intrenching SEE OR SEARCH CLASS: implements. 89, Ordnance, subclass 33.4 for empty shell receivers for ordnance devices. 94 Rests: This subclass is indented under subclass 90. 99 Magnetic holding devices: Various forms of arm-rests and also gun-rests This subclass is indented under subclass 90. adapted to partially support the usual shoulder Devices including means adapted to secure firearms. devices to the firearm magnetically.

SEE OR SEARCH CLASS: 104 Finger recoil pad: 89, Ordnance, subclass 37.01 for gun This subclass is indented under subclass 90. mounts which completely support a Devices including devices which cushion the firearm or heavy gun. shock of the reaction of trigger reversion.

95 For barrel cleaning: 105 For launching grenades: This subclass is indented under subclass 90. This subclass is indented under subclass 90. Devices including means adapted to purge resi- Devices comprising means attached to the fire- due from the bore of the barrel of a firearm. arm to propel a projectile toward a target, e.g., grenade. SEE OR SEARCH CLASS: 15, Brushing, Scrubbing, and General SEE OR SEARCH CLASS: Cleaning, subclass 104.16 for recipro- 102, Ammunition and Explosives, sub- cating type scrapper, cutter, wiper or classes 483+ for grenades, per se. brush.

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barrel during firearm discharge or allow heat 106 MISCELLANEOUS: from the barrel to radiate to the atmosphere. This subclass is indented under the class definition. Devices including firearms and accesso- 113 Target spot or dot superimposed on sight: ries not classifiable in any of the subclasses. This subclass is indented under subclass 111. Subject matter in which the aiming enhancing 107 MUZZLE MAKING, ATTACHING OR attachment comprises a small circle of light REPAIR: projected on a larger, usually transparent, sur- This subclass is indented under the class defini- face pointed in the direction of an aimed-at tion. Subject matter includes fabricating, object. assembling, or mending the discharging end of the firearm. 114 Focused beam type (e.g., laser on target, etc.): SEE OR SEARCH THIS CLASS, SUB- This subclass is indented under subclass 111. CLASS: Subject matter in which a coherent light type 76.1, for barrel making or modifying. generator, or other light concentrating means, directs a ray at the target. 108 TOOL FOR ASSEMBLY OR DISASSEM- BLY: (1) Note. Laser aiming devices included in This subclass is indented under the class defini- this subclass also include devices for tion. Subject matter includes an implement to directing a light beam for target practice. put together or take apart the firearm. SEE OR SEARCH CLASS: 111 Sight devices: 372, Coherent Light Generators, subclass This subclass is indented under subclass 90. 38 for particular component circuitry. Subject matter including an aiming enhancing attachment for a hand-held firearm (e.g., pistol, 115 Having beam adjusting structure or rifle, etc.) or hand-carried firearm (e.g., mortar, mounted for correction: tripod mounted machine gun, etc.) wherein the This subclass is indented under subclass 114. attachment defines a line from a user s eye to a Subject matter in which (1) the light is refo- target or point on a target. cused or redirected via, e.g., moving the prism, etc., or (2) the generator is capable of being (1) Note. This subclass and the indented realigned relative to the firearm. subclasses are reclassified from 33/233, 234, 241-261 area. 116 Through the bore type (i.e., insertable into firing chamber): SEE OR SEARCH CLASS: This subclass is indented under subclass 114. 33, Geometrical Instruments, subclass Subject matter wherein the attachment is so 227 for straight-line light ray type. structured or shaped as to permit installation 89, Ordnance, subclass 200 for gun sights within the firearm barrel and in which the on ordnance devices. imaginary line travels the same path as one 356, Optics: Measuring and Testing, sub- round of ammunition. class 247 for similar subject matter including significant optical structure. 117 Activated by a switch: 434, Education and Demonstration, sub- This subclass is indented under subclass 114. class 19 for a device for instructing or Subject matter in which the coherent light gen- training in the use of a gunsight. erator is actuated by a device for making, breaking, or changing connections in an elec- 112 Vent, vented, or ventilated rib type: trical circuit. This subclass is indented under subclass 111. Subject matter in which the attachment is a SEE OR SEARCH CLASS: protrusion or projection, extending from a fire- 200, Electricity: Circuit Makers and Break- arm barrel, designed to allow gas to escape the ers, 237 for switch details.

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118 Periscope type or using a mirror: 123 And an illuminating or incandescent device: This subclass is indented under subclass 111. This subclass is indented under subclass 122. Subject matter in which the aiming attachment Subject matter in which the reticle is high- consists of at least one mirror that reflects an lighted by (1) the combination of a source of image to the user, usually to allow the user to visible radiant energy and means to modify the aim the firearm while out of the target s view. distribution or composition of the radiant energy emanating from the source or utilizing SEE OR SEARCH CLASS: the combination to cast light in at least one 359, Optical: Systems and Elements, sub- direction or (2) a white, glowing, or luminous class 850 for plural mirrors or reflect- source. ing surfaces. 124 Mount or Mounting: 119 Telescopic type: This subclass is indented under subclass 119. This subclass is indented under subclass 111. Subject matter comprising structure to fasten Subject matter wherein the aiming enhancing the instrument attachment to the firearm. attachment comprises a usually tubular optical instrument providing a magnified view of a tar- 125 Allowing adjustment: get. This subclass is indented under subclass 124. Device wherein the structure allows the entire SEE OR SEARCH CLASS: instrument to be moved with respect to the gun 359, Optical: Systems and Elements, sub- barrel or a gunstock. class 399 for telescope. 126 Vertically and laterally: 120 With a collimating or sighting-in device: This subclass is indented under subclass 125. This subclass is indented under subclass 119. Subject matter wherein the structure allows the Subject matter in which a device rectifies the instrument to be movable both in a direction barrel with the optical instrument. transverse to the line of sight and in an up or down direction. 121 Insertable into muzzle: This subclass is indented under subclass 120. 127 Quickly detachable (i.e., knockdown): Subject matter in which the rectifying device is This subclass is indented under subclass 124. secured within a firearm barrel. Subject matter wherein the structure allows the instrument to be installed on or removed from a 122 Having a reticle (including adjustable): gun barrel or stock without the necessity of This subclass is indented under subclass 119. removing bolts, screws, fasteners, etc., or with- Subject matter in which the instrument has a out the use of tools. system of lines, dots, cross hairs, wires, or the like, in the focal plane and, in addition, may SEE OR SEARCH THIS CLASS, SUB- have structure to allow for windage and eleva- CLASS: tion correction. 148, for quickly detachable sight.

(1) Note. Included in this subclass are 128 To nonuse position, including to reload: means to displace or selectively move This subclass is indented under subclass 124. the lines, cross hairs, etc., relative to Subject matter wherein the instrument fasten- each other. ing structure allows relocating from an operative condition to an out-of-the-way or SEE OR SEARCH CLASS: nonfunctional condition, sometimes to facili- 33, Geometrical Instruments, subclass tate placing another round in the firearm. 297, for a sight line device of more general utility having an adjustable 129 Lens cover, scope hood, or shade: reticule. This subclass is indented under subclass 119. 359, Optical: Systems and Elements, sub- Subject matter wherein the instrument has a class 428 for telescopes with a reticle. protective lid, cap, shroud, etc., for the optics

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or to prevent glare from the device being reflected into the eye of the user. 134 Through the bore type (e.g., sighting in or straightness testing device, etc.): 130 With a reticle or graticule (e.g., crosshairs, This subclass is indented under subclass 111. etc.): Subject matter wherein the attachment is so This subclass is indented under subclass 111. structured or shaped as to permit installation Subject matter including a system of lines, within the firearm barrel and in which (1) an dots, cross hairs, wires, etc., in the focal plane imaginary line travels the same path as one of the device. round of ammunition or (2) crooks or other imperfections in the barrel are revealed. SEE OR SEARCH CLASS: 33, Geometrical Instruments, subclass 135 Correctable: 297 for a sight line device of more This subclass is indented under subclass 111. general utility having an adjustable Device wherein the aiming enhancing attach- reticule. ment may be moved with respect to the gun barrel or stock upon which it is mounted. 131 Including an incandescent or illuminating device: (1) Note. Included in this and indented sub- This subclass is indented under subclass 130. classes are patents to sights which are Subject matter in which the reticle is high- movable to compensate for range, wind- lighted by (1) a white, glowing, or luminous age, or the velocity of a moving target. source or (2) the combination of a source of visible radiant energy and means to modify the 136 Vertically adjustable (e.g., slide, ramp, etc.): distribution or composition of the radiant This subclass is indented under subclass 135. energy emanating from the source or utilizing Device wherein the sight may be moved the combination to cast light in at least one upwardly or downwardly relative to the longi- direction. tudinal axis of the barrel.

132 Illuminated, including fiber optics: 137 And laterally: This subclass is indented under subclass 111. This subclass is indented under subclass 136. Subject matter in which the aiming enhancing Subject matter wherein the sight may also be attachment includes the combination of a moved in a direction transverse to the line of source of visible radiant energy and means to sight. modify the distribution or composition of the radiant energy emanating from the source or (1) Note. Included in this subclass are a utilizing the combination to cast light in at least front sight adjustable horizontally and a one direction plus transmitting light through a rear sight adjustable vertically. glass or plastic filament to render the attachment visible. 138 By pivoting about transverse axis: This subclass is indented under subclass 136. 133 Having variable size aperture, slot, notch, or Subject matter wherein the aiming enhance- cone-shaped: ment attachment is rotatable upwardly or This subclass is indented under subclass 111. downwardly about a line which is normal to the Subject matter provided with means permitting longitudinal axis of the barrel. adjustment of the size of the aiming enhancing opening or the aiming enhancing device is in 139 Laterally, including target leading type: the profile of a circular planar base and line This subclass is indented under subclass 135. segments connecting an imaginary elevated Subject matter wherein the aiming enhancing point to the base with the opening at the ele- attachment is moved in a direction transverse vated point. to the line of sight sometimes for aiming at a moving target, e.g., flying birds, etc.

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the barrel from the sight or the sight from the (1) Note. Included in this subclass are target. devices that allow for windage correction. 145 Luminescent, phosphorescent, luminous material: 140 Dual flip-, superimposed-, or dial-type: This subclass is indented under subclass 144. This subclass is indented under subclass 111. Subject matter in which the distinguishing Subject matter comprising at least two aiming material emits light by chemical action. enhancing devices that are configured (1) in an L shape about a pivot in which the desired SEE OR SEARCH CLASS: device is rotated to a use position or (2) with 250, Radiant Energy, subclass 467.1 for one device moved, in line, in front of another luminophor irradiation in reticle, gun- or (3) as a disk to be rotated to bring a desired sight, or with optical element. device into use position. 146 Target illuminated (e.g., via flashlight, etc.): 141 Multisight, for moving targets (e.g., shotgun This subclass is indented under subclass 111. type, etc.): Subject matter in which visible radiant energy This subclass is indented under subclass 111. is aimed in the direction of a mark to shoot at Subject matter comprising a single aiming in order to render the mark perceptible to enhancing attachment having structural ele- vision. ments spaced at a predetermined distance or angle with respect to each other, which ele- SEE OR SEARCH CLASS: ments may be selectively used without adjust- 362, Illumination, subclass 110 for firearm. ment of parts, creating a plurality of lines useful for aiming at e.g., flying birds, etc. 147 Yieldable: This subclass is indented under subclass 111. (1) Note. This type of sight is most com- Subject matter in which the aiming device monly used on a smoothbore shoulder gives way to pressure and returns to the origi- weapon for firing shot at short range. nal position.

SEE OR SEARCH CLASS: 148 Stowed, relocated to nonuse position, or 33, Geometrical Instruments, subclass quickly detachable: 276, for a multisight line device of This subclass is indented under subclass 111. more general application. Subject matter wherein the aiming enhance- ment attachment is moved from an operative 142 Nonadjustable rangefinder type: site to (1) an out-of-the-way or (2) a nonfunc- This subclass is indented under subclass 111. tioning site, or (3) allow the instrument to be Subject matter in which the device comprises installed on or removed from a gun barrel or fixed indicia to locate the distance to the target. stock without the necessity of removing bolts, screws, fasteners, or the like, or without the use 143 Hood, guard, shade, or cover: of tools. This subclass is indented under subclass 111. Subject matter including means to protect the END device from damage or to prevent glare from the device being reflected into the eye of the user.

144 Using contrasting material or color (e.g., bead, etc.): This subclass is indented under subclass 111. Subject matter in which the attachment has the property of a phenomenon of light or visual perception that enables one to differentiate otherwise identical objects such as to distinguish

May1 2008