USD420356SExpiredUtility

Headphone

Assignee: SONY CORPPriority: Dec 30, 1998Filed: Dec 30, 1998Granted: Feb 8, 2000

Est. expiryDec 30, 2018(expired)· nominal 20-yr term from priority

PatentIndex Score

164

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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