USD334604SExpiredUtility
Sit-up exercise apparatus
Individually held — no corporate assignee on recordPriority: Sep 21, 1990Filed: Sep 21, 1990Granted: Apr 6, 1993
Est. expirySep 21, 2010(expired)· nominal 20-yr term from priority
Inventors:William H. Roy
13
PatentIndex Score
2
Cited by
7
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a sit-up exercise apparatus, as shown and described.
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