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US Patent 11863932 Sound-absorbing material and speaker using same

OverviewStructured DataIssuesContributorsActivity
Is a
Patent
Patent
0
Date Filed
December 27, 2021
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Date of Patent
January 2, 2024
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Patent Application Number
17563018
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Patent Citations
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US Patent 11488570 Sound adsorbing material and speaker box
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US Patent 11570544 Sound-absorbing material, preparation method thereof and speaker using same
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US Patent 7448467 Acoustic enclosures
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US Patent 7743877 Speaker system
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US Patent 7953240 Loudspeaker apparatus
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US Patent 8184826 Speaker system
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US Patent 8265330 Material for speaker device and speaker device using it
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US Patent 8630435 Apparatus incorporating an adsorbent material, and methods of making same
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US Patent 8794373 Three-dimensional air-adsorbing structure
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US Patent 8885863 Loudspeaker device
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•••
Patent Inventor Names
Hezhi Wang
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
11863932
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Patent Primary Examiner
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Edgardo San Martin
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CPC Code
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H04R 1/2869
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H04R 1/28
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H04R 1/288
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H04R 2400/11
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H04R 1/2803
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H04R 1/2876
0

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