USD337115SExpiredUtility

Headphone

Assignee: SONY CORPPriority: Jun 5, 1991Filed: Nov 25, 1991Granted: Jul 6, 1993

Est. expiryJun 5, 2011(expired)· nominal 20-yr term from priority

PatentIndex Score

104

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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