USD269611SExpiredUtility

Headphones

Assignee: SONY CORPPriority: Feb 19, 1981Filed: Aug 19, 1981Granted: Jul 5, 1983
Est. expiryFeb 19, 2001(expired)· nominal 20-yr term from priority
Inventors:Tomonaga Saito
84
PatentIndex Score
27
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for headphones, as shown and described.

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