USD683574SActiveUtility

Chair backrest

85
Assignee: SU TUNG-HUAPriority: Aug 15, 2012Filed: Aug 15, 2012Granted: Jun 4, 2013
Est. expiryAug 15, 2032(~6 yrs left)· nominal 20-yr term from priority
Inventors:Tung-Hua Su
85
PatentIndex Score
31
Cited by
13
References
1
Claims

Claims

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

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