USD310223SExpiredUtility

Headphones

Assignee: AVATAR MFG CO LTDPriority: Nov 10, 1987Filed: May 10, 1988Granted: Aug 28, 1990
Est. expiryNov 10, 2007(expired)· nominal 20-yr term from priority
Inventors:Paul Chudnow
41
PatentIndex Score
8
Cited by
3
References
1
Claims

Claims

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

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