USD912643SActiveUtility

Headphone

48
Assignee: SINTAI OPTICAL SHENZHEN CO LTDPriority: Aug 1, 2018Filed: Jan 10, 2019Granted: Mar 9, 2021
Est. expiryAug 1, 2038(~12.1 yrs left)· nominal 20-yr term from priority
Inventors:Yasuhiko NakayamaTomoya TakahashiTakayuki KarasawaHaruhiko NishizawaXian-Bang XieGui-Feng Li
48
PatentIndex Score
5
Cited by
59
References
1
Claims

Claims

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

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