USD337587SExpiredUtility

Headphone

Assignee: SONY CORPPriority: Jan 22, 1991Filed: Jul 9, 1991Granted: Jul 20, 1993

Est. expiryJan 22, 2011(expired)· nominal 20-yr term from priority

PatentIndex Score

123

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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