USD331059SExpiredUtility

Headphone

85
Assignee: SONY CORPPriority: Feb 28, 1990Filed: Jul 31, 1990Granted: Nov 17, 1992
Est. expiryFeb 28, 2010(expired)· nominal 20-yr term from priority
Inventors:Takashi SogabeYoshiaki Kumagai
85
PatentIndex Score
26
Cited by
3
References
1
Claims

Claims

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

Join the waitlist — get patent alerts

Track USD331059S — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.