USD457512SExpiredUtility
Headphone
Est. expiryJun 29, 2021(expired)· nominal 20-yr term from priority
Inventors:Naofumi Yoneda
H04R 5/0335
98
PatentIndex Score
145
Cited by
11
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a headphone, as shown and described.
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