Patent
   D337824
Priority
May 14 1990
Filed
May 14 1990
Issued
Jul 27 1993
Expiry
Jul 27 2007
Assg.orig
Entity
unknown
16
4
n/a
The ornamental design for a cervical support for sit-up exercises, as shown and described.

FIG. 1 is a perspective view of a cervical support for sit-up excercises, showing my new design;

FIG. 2 is a right side elevational view thereof, the left side being a mirror image;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a rear elevational view thereof.

Campbell, Richard L.

Patent Priority Assignee Title
5807220, May 14 1996 Device for protecting neck and upper back during abdominal exercises
5916073, Feb 29 1996 ENDURANCE PLUS, INC Abdominal exercise device and method
5935049, Jun 12 1996 HAMM, JACK L Collapsible abdominal exerciser
D412191, Jun 19 1998 World Famous Trading Company Head and neck support for exercising
D651262, Jan 20 2011 JK FITNESS LTD Exercise device
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D968622, Nov 06 2019 Bone Foam, Inc.; BONE FOAM, INC Modular knee extension device
D979672, Sep 21 2018 BOOTYSPROUT VENTURES LLC Exercise system
ER2747,
ER3410,
ER4699,
Patent Priority Assignee Title
3555582,
4535495, Jul 25 1983 EASY RIDE, INC , P O B 305, SCHOONMAKER POINT, SAUSALITO, CA 94965 A CORP OF CA Back rest cushion
D321760, Jun 12 1989 CARNEY, STEVEN H Orthopedic back support pillow
D325087, Jun 21 1989 Posture support
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 14 1990Bridget, Robison(assignment on the face of the patent)
May 23 1990CAMPBELL, RICHARD L ROBISON, BRIDGETASSIGNMENT OF ASSIGNORS INTEREST 0053230620 pdf
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