USD577934SExpiredUtility

Chair backrest

79
Assignee: HNI TECH INCPriority: Oct 14, 2005Filed: Oct 14, 2005Granted: Oct 7, 2008
Est. expiryOct 14, 2025(expired)· nominal 20-yr term from priority
Inventors:William B. RafteryJohn Heyder
79
PatentIndex Score
22
Cited by
27
References
1
Claims

Claims

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

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