USD351172SExpiredUtility

Headphone

99
Assignee: SONY CORPPriority: Aug 12, 1992Filed: Aug 12, 1992Granted: Oct 4, 1994
Est. expiryAug 12, 2012(expired)· nominal 20-yr term from priority
Inventors:Mitsuhiro NakamuraHidefumi Goto
99
PatentIndex Score
150
Cited by
7
References
1
Claims

Claims

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

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