USD534384SExpiredUtility

Backrest for a chair

92
Assignee: SU TUNG-HUAPriority: Apr 7, 2005Filed: Apr 7, 2005Granted: Jan 2, 2007
Est. expiryApr 7, 2025(expired)· nominal 20-yr term from priority
Inventors:Tung-Hua Su
92
PatentIndex Score
50
Cited by
9
References
1
Claims

Claims

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

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