USD579241SActiveUtility

Chair mechanism

65
Assignee: NIGHTINGALE CORPPriority: Apr 9, 2008Filed: Apr 9, 2008Granted: Oct 28, 2008
Est. expiryApr 9, 2028(~1.7 yrs left)· nominal 20-yr term from priority
Inventors:William R. Breen
65
PatentIndex Score
13
Cited by
34
References
1
Claims

Claims

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

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