USD311007SExpiredUtility

Earphone

Assignee: SONY CORPPriority: Jun 17, 1987Filed: Dec 17, 1987Granted: Oct 2, 1990
Est. expiryJun 17, 2007(expired)· nominal 20-yr term from priority
Inventors:Takefumi Daido
94
PatentIndex Score
81
Cited by
2
References
1
Claims

Claims

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

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