Patent
   D279917
Priority
Nov 04 1983
Filed
Nov 04 1983
Issued
Jul 30 1985
Expiry
Jul 30 1999
Assg.orig
Entity
unknown
3
5
n/a
The ornamental design for a sit-up exercise device, substantially as shown and described.

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

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a side elevational view thereof, the side opposite being substantially a mirror image.

Hill, Robert W.

Patent Priority Assignee Title
5529557, Dec 05 1994 Dual-seat physical exerciser
D349316, Jul 10 1992 Randy, Miller Physical exerciser
D961696, Jul 19 2021 Push-up stand
Patent Priority Assignee Title
2050652,
4116434, Mar 15 1977 Sit-up exercise apparatus
4182510, Aug 21 1978 Exercise shoe sit-up apparatus
4185816, Mar 15 1977 Sit-up exercise apparatus
4494750, Dec 07 1981 Exerciser for runners
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