USD452491SExpiredUtility

Headphone

Assignee: SONY CORPPriority: Mar 7, 2001Filed: Mar 7, 2001Granted: Dec 25, 2001
Est. expiryMar 7, 2021(expired)· nominal 20-yr term from priority
Inventors:Toshiaki Sato
70
PatentIndex Score
16
Cited by
9
References
1
Claims

Claims

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

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