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Patent
   D253295
Priority
Aug 29 1977
Filed
Aug 29 1977
Issued
Oct 30 1979
Expiry
Oct 30 1993
Inventors
Schwartz, …
Assg.orig
Black Deer…
Assg.curr
Black Deer…
Entity
unknown
Referenced by
6
References
4
Maint.:
n/a
The ornamental design for a hand grip exerciser, as shown and described.

FIG. 1 is a front elevational view of a hand grip exerciser showing my new design.

FIG. 2 is a side elevational view thereof.

FIG. 3 is a top elevational view thereof.

FIG. 4 is a bottom elevational view thereof.
INVENTORS:

Schwartz, Henry A.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D353859, Jul 23 1993 Meddev Corporation Thumb exerciser
D358857, Jan 04 1994 Hand grip exerciser
D359779, Nov 26 1993 Hand exerciser
D365374, Aug 05 1994 Wrist exerciser
D412295, Jun 05 1998 PATTERSON MEDICAL PRODUCTS, INC Hand grip strength tester
D680178, Mar 08 2012 Hand grip
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1796216,
2731854,
2837334,
843291,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 29 1977Black Deer Consultants, Ltd.(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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