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US Patent D991438 Ear plug
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Is a
Patent
0
Date Filed
April 19, 2023
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Date of Patent
July 4, 2023
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Patent Application Number
29890061
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Patent Citations
US Patent D539415 Flange earplug
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US Patent D560792 Flanged earplug
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US Patent D666287 Eyeglass ear support arms having integrated hearing protection members
0
US Patent D691278 Light treatment device
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US Patent 8770338 Earpieces, systems, and methods
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US Patent D717938 Earplug
0
US Patent D739518 Earplug
0
US Patent D739520 Earplug
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US Patent D952831 Earpiece apparatus
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US Patent D968372 Earphone
0
•••
Patent Citations Received
US Patent D1003423 Swimming earplug
Patent Jurisdiction
United States Patent and Trademark Office
0
Patent Number
D991438
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Patent Primary Examiner
Jonathan J Han
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CPC Code
A61F 11/12
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A61F 11/10
0
A61F 11/145
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A61F 2007/0005
0
H04R 1/1016
0
H04R 1/1083
0
H04R 25/652
0
A61F 11/085
0
A61F 11/08
0
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