USRE40318EExpiredUtility

Headphone

66
Assignee: SONY CORPPriority: Jun 29, 2001Filed: May 21, 2004Granted: May 20, 2008
Est. expiryJun 29, 2021(expired)· nominal 20-yr term from priority
Inventors:Naofumi Yoneda
H04R 5/0335
66
PatentIndex Score
8
Cited by
15
References
1
Claims

Claims

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

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