USD509975SExpiredUtility
Chair back
Est. expiryDec 29, 2024(expired)· nominal 20-yr term from priority
Inventors:Toung-Chun Pan
77
PatentIndex Score
21
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a chair back, as shown and described.
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