USD336646SExpiredUtility

Headphone

89
Assignee: SONY CORPPriority: Jun 5, 1991Filed: Nov 25, 1991Granted: Jun 22, 1993
Est. expiryJun 5, 2011(expired)· nominal 20-yr term from priority
Inventors:Akira YamazakiToshio IribeHidefumi Gotoh
89
PatentIndex Score
37
Cited by
11
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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