USD544735SActiveUtility

Chair backrest

70
Assignee: SU TUNG-HUAPriority: Nov 23, 2006Filed: Nov 23, 2006Granted: Jun 19, 2007
Est. expiryNov 23, 2026(~0.3 yrs left)· nominal 20-yr term from priority
Inventors:Tung-Hua Su
70
PatentIndex Score
16
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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