USD331408SExpiredUtility

Headphone

Assignee: PHILIPS CORPPriority: Dec 29, 1989Filed: May 7, 1990Granted: Dec 1, 1992
Est. expiryDec 29, 2009(expired)· nominal 20-yr term from priority
95
PatentIndex Score
54
Cited by
8
References
1
Claims

Claims

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

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