USD353818SExpiredUtility

Headphone

Assignee: SONY CORPPriority: Dec 8, 1993Filed: Dec 8, 1993Granted: Dec 27, 1994

Est. expiryDec 8, 2013(expired)· nominal 20-yr term from priority

PatentIndex Score

137

Cited by

References

Claims

exact text as granted — not AI-modified

The ornamental design for a headphone, as shown and described.

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