USD255352SExpiredUtility

Headphone

98
Assignee: KOSS CORPPriority: Feb 6, 1978Filed: Feb 6, 1978Granted: Jun 10, 1980
Est. expiryFeb 6, 1998(expired)· nominal 20-yr term from priority
Inventors:Joseph C. Besasie
98
PatentIndex Score
117
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a headphone, as shown.

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