USD318864SExpiredUtility

Earphone

93
Assignee: SONY CORPPriority: Jul 12, 1988Filed: Jan 12, 1989Granted: Aug 6, 1991
Est. expiryJul 12, 2008(expired)· nominal 20-yr term from priority
Inventors:Takefumi DaidoKazue Kato
93
PatentIndex Score
51
Cited by
6
References
1
Claims

Claims

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

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