USD661136SActiveUtility
Chair backrest
Est. expiryJul 8, 2030(~3.9 yrs left)· nominal 20-yr term from priority
Inventors:Tung-Hua Su
79
PatentIndex Score
24
Cited by
13
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a chair backrest, as shown and described.
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