USD543398SActiveUtility

Chair backrest

72
Assignee: SU TUNG-HUAPriority: Jun 19, 2006Filed: Jun 19, 2006Granted: May 29, 2007
Est. expiryJun 19, 2026(expired)· nominal 20-yr term from priority
Inventors:Tung-Hua Su
72
PatentIndex Score
18
Cited by
13
References
1
Claims

Claims

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

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