United States Patent [19] [11] Patent Number: 5,452,269 Cherdak [45] Date of Patent: Sep
US005452269A United States Patent [19] [11] Patent Number: 5,452,269 Cherdak [45] Date of Patent: Sep. 19, 1995 [54] ATHLETIC SHOE WITH THVIING DEVICE 4,651,446 3/ 1987 gukawa et a1. ' 4,703,445 10/1987 assler . [75] Inventor: Erik B. Cherdak, Silver Spring, Md. 4,736,312 4/1983 Dassler et a1_ _ ‘[73] Assignees: David Stern; James Thompson, both 4’763’287 8/1988 Gerhaeuser et a1‘ ‘ fRockvine M d- 4,771,394 9/ 1988 Cavanagh . ° ’ 4,792,665 12/1988 Ruhlemann . [21] APPL No_; 297,470 4,814,661 3/1989 Ratzlaff et a1. 4,848,009 7/1989 Rodgers . [22] Filed: Aug. 29, 1994 4,876,500 10/1989 Wu . 4,891,797 1/1990 Woodfalks . Related US. Application Data illilo?g - , , a o . [63] Continuation of Ser. No. 85,936, Jul. 6, 1993, Pat. No. 5,052,131 10/1991 Rondini , 5,343,445. 5,125,647 6/1992 Smith . [51] Int. Cl.6 ...................... .. G64B 47/00; FOREIGN PATENT DOCUMENTS [52] US. Cl. .................................... .. 368/10; 368/110; W°88°4768 6/1988 WIPO ‘ 36/132; 36/137 . [58] Field Of Search ...................... .. 368/9,10,107-113; Pm”? Exam'”er“vlt W‘ M‘Ska 36/132, 136, 137, 114 [57] ABSTRACT [56] References Cited An athletic shoe which includes a timing device for US. PATENT DOCUMENTS measuring the amount of time the athletic shoe is off the D 285 142 8/1986 McAnhur ground and in air. The athletic shoe can also include a 4285b,“ 8/1981 smith ‘ ' noti?cation device which can be operatively coupled to 4,309,599 1/1982 Myers .
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