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Backrest shell for chair

79
Assignee: ITOKI CORPPriority: Aug 19, 2009Filed: Dec 22, 2009Granted: Sep 27, 2011
Est. expiryAug 19, 2029(~3.1 yrs left)· nominal 20-yr term from priority
Inventors:Yasuhiro NakamuraTakayuki Kumazawa
79
PatentIndex Score
24
Cited by
13
References
1
Claims

Claims

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

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