USD270634SExpiredUtility

Headphones

89
Assignee: CULVER ELECTRONIC SALES INCPriority: Jun 29, 1981Filed: Jun 29, 1981Granted: Sep 20, 1983
Est. expiryJun 29, 2001(expired)· nominal 20-yr term from priority
Inventors:Leon B. Ungar
89
PatentIndex Score
172
Cited by
2
References
1
Claims

Claims

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

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