USD483582SExpiredUtility

Chair control mechanism

Priority: Apr 29, 2002Filed: Apr 29, 2002Granted: Dec 16, 2003
Est. expiryApr 29, 2022(expired)· nominal 20-yr term from priority
Inventors:Su-Ming Chen
48
PatentIndex Score
6
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for chair control mechanism, as shown and described.

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