USD310312SExpiredUtility

Back support cushion

74
Individually held — no corporate assignee on recordPriority: Jun 6, 1988Filed: Jun 6, 1988Granted: Sep 4, 1990
Est. expiryJun 6, 2008(expired)· nominal 20-yr term from priority
Inventors:Richard WongDonald V. Pabros
74
PatentIndex Score
25
Cited by
7
References
1
Claims

Claims

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

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