USD600477SActiveUtility

Chair backrest

59
Assignee: SU TUNG-HUAPriority: May 18, 2009Filed: May 18, 2009Granted: Sep 22, 2009
Est. expiryMay 18, 2029(~2.8 yrs left)· nominal 20-yr term from priority
Inventors:Tung-Hua Su
59
PatentIndex Score
10
Cited by
4
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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