USD279917SExpiredUtility

Sit-up exercise device

37
Individually held — no corporate assignee on recordPriority: Nov 4, 1983Filed: Nov 4, 1983Granted: Jul 30, 1985
Est. expiryNov 4, 2003(expired)· nominal 20-yr term from priority
Inventors:Robert W. Hill
37
PatentIndex Score
3
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a sit-up exercise device, substantially as shown and described.

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