USD328074SExpiredUtility

Headphone

97
Assignee: SONY CORPPriority: Aug 7, 1990Filed: Feb 7, 1991Granted: Jul 21, 1992
Est. expiryAug 7, 2010(expired)· nominal 20-yr term from priority
Inventors:Akira YamazakiOhshi Miyashita
97
PatentIndex Score
288
Cited by
2
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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