USD343980SExpiredUtility

Back rest air mattress

Individually held — no corporate assignee on recordPriority: Sep 19, 1990Filed: Sep 19, 1990Granted: Feb 8, 1994
Est. expirySep 19, 2010(expired)· nominal 20-yr term from priority
78
PatentIndex Score
41
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a back rest air mattress, as shown.

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