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US Patent D1047977 Earphone head
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Is a
Patent
0
Date Filed
May 23, 2023
0
Date of Patent
October 22, 2024
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Patent Application Number
29876476
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Patent Citations
US Patent D939476 Audio headset
0
US Patent D959412 Earphone
0
US Patent 7123733 Auditory treatment device
0
US Patent D541787 Communication device
0
US Patent D629397 Audio earphone device
0
US Patent D712881 Earpiece
0
US Patent D850418 Wireless earphone
0
US Patent D889664 Hearing aid
0
Patent Inventor Names
Qinglong Chen
0
Patent Jurisdiction
United States Patent and Trademark Office
0
Patent Number
D1047977
0
Patent Primary Examiner
Katie Jane Stofko
0
CPC Code
H04R 1/1016
0
H04R 1/1066
0
H04R 5/033
0
H04R 5/0335
0
H04R 1/10
0
H04R 1/1058
0
H04R 1/105
0
H04R 1/1083
0
H04R 1/1091
0
H04R 25/00
0
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