USD431550SExpiredUtility

Headphone

Assignee: SONY CORPPriority: Feb 24, 1999Filed: Aug 24, 1999Granted: Oct 3, 2000

Est. expiryFeb 24, 2019(expired)· nominal 20-yr term from priority

PatentIndex Score

141

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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