USD252905SExpiredUtility

Chair back

Assignee: AMERICAN DESK MFG COPriority: Aug 29, 1977Filed: Aug 29, 1977Granted: Sep 18, 1979
Est. expiryAug 29, 1997(expired)· nominal 20-yr term from priority
75
PatentIndex Score
14
Cited by
2
References
1
Claims

Claims

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

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