USD839035SActiveUtility

Chair back frame

75
Assignee: TSAI HSUAN CHINPriority: Nov 27, 2017Filed: Nov 27, 2017Granted: Jan 29, 2019
Est. expiryNov 27, 2037(~11.3 yrs left)· nominal 20-yr term from priority
Inventors:Hsuan-Chin Tsai
75
PatentIndex Score
14
Cited by
10
References
1
Claims

Claims

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

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