USD278234SExpiredUtility

Headphone

Assignee: SONY CORPPriority: Apr 1, 1982Filed: Sep 22, 1982Granted: Apr 2, 1985
Est. expiryApr 1, 2002(expired)· nominal 20-yr term from priority
Inventors:Tomonaga Saito
92
PatentIndex Score
91
Cited by
5
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 USD278234S — get alerts on status changes and closely related new filings.

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