Sit-up exercise apparatus

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Description

FIG. 1 is a top plan view of a sit-up exercise apparatus, showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D277218 January 15, 1985 Hinds
D281267 November 5, 1985 Howard
4653747 March 31, 1987 Newcomer
4679788 July 14, 1987 Adler
4705270 November 10, 1987 Melton
4722523 February 2, 1988 Yang
4809971 March 7, 1989 Goldish
Patent History
Patent number: D334604
Type: Grant
Filed: Sep 21, 1990
Date of Patent: Apr 6, 1993
Inventor: William H. Roy (Largo, FL)
Primary Examiner: Bernard Ansher
Assistant Examiner: Philip Hyder
Attorneys: Joseph C. Mason, Jr., Ronald E. Smith
Application Number: 7/586,055
Classifications
Current U.S. Class: D21/191