USD347434SExpiredUtility

Headphone

94
Assignee: SONY CORPPriority: Mar 9, 1991Filed: Oct 13, 1992Granted: May 31, 1994
Est. expiryMar 9, 2011(expired)· nominal 20-yr term from priority
Inventors:Katsumi Yamatogi
94
PatentIndex Score
36
Cited by
14
References
1
Claims

Claims

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

Cited by (0)

No later patents cite this yet.

References (0)

No backward citations on record.