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US Patent D1021854 Headphone

OverviewStructured DataIssuesContributorsActivity
Is a
Patent
Patent
0
Date Filed
December 29, 2023
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Date of Patent
April 9, 2024
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Patent Application Number
29923520
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Patent Citations
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US Patent D691579 Headphones
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US Patent D919603 Headphone
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US Patent D929958 Headphone
0
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US Patent D944761 Headphone
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US Patent D945981 Audio headphones
0
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US Patent D954020 Headphone
0
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US Patent D964312 Headphone
0
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US Patent D968355 Headset
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US Patent D968359 Headphone
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US Patent D970468 Set of headphones
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•••
Patent Inventor Names
Chentao Ma
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
D1021854
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Patent Primary Examiner
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Paula Allen Greene
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CPC Code
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H04R 25/02
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H04R 1/1016
0
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H04R 1/1066
0
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H04R 5/033
0
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H04R 5/0335
0
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H04R 1/1083
0
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H04R 1/1041
0
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H04R 25/00
0

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