USD254131SExpiredUtility

Headphone demonstration unit

20
Assignee: PRINCE JEREMY `JERSHIRE`Priority: Dec 6, 1978Filed: Dec 6, 1978Granted: Feb 5, 1980
Est. expiryDec 6, 1998(expired)· nominal 20-yr term from priority
Inventors:Jeremy `Jershire` Prince
20
PatentIndex Score
2
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a head phone demonstration unit, as shown.

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