Patent
   D339618
Priority
Jan 28 1992
Filed
Jan 28 1992
Issued
Sep 21 1993
Expiry
Sep 21 2007
Assg.orig
Entity
unknown
5
10
n/a
The ornamental design for a sit-up exerciser, as shown and described.

FIG. 1 is a perspective view of a sit-up exerciser, showing my new design;

FIG. 2 is a front elevational view thereof, the rear being a mirror image of the front shown in FIG. 2;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

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

FIG. 6 is a bottom view thereof.

Hassell, Valerie

Patent Priority Assignee Title
5957820, Oct 03 1997 Apparatus for stimulating hamstring contraction to effect optimum abdominal muscle conditioning
6077205, May 13 1998 VISION-BRANDS LLC Linear motion apparatus for stimulating hamstring contraction to effect optimum abdominal muscle conditioning
6231487, Dec 26 1997 VISION-BRANDS, LLC Apparatus for stimulating hamstring contraction to effect optimum abdominal muscle conditioning
D545382, Dec 08 2005 Abdominal muscle standing exerciser
D627014, Aug 14 2009 Tristar Products, Inc. Combined abdominal crunch board and punching bag
Patent Priority Assignee Title
2240228,
2362111,
3596906,
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193940,
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