USD310552SExpiredUtility

Double back swing seat

25
Individually held — no corporate assignee on recordPriority: Apr 27, 1987Filed: Apr 27, 1987Granted: Sep 11, 1990
Est. expiryApr 27, 2007(expired)· nominal 20-yr term from priority
Inventors:Larry D. Campbell
25
PatentIndex Score
0
Cited by
9
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a double back swing seat, as shown and described.

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