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US Patent D1003423 Swimming earplug
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Is a
Patent
Date Filed
June 2, 2023
Date of Patent
October 31, 2023
Patent Application Number
29893773
Patent Citations
US Patent D539415 Flange earplug
US Patent D560792 Flanged earplug
US Patent 7314047 Hearing protection device
US Patent D592300 Earplug
US Patent D624999 Earplug
US Patent 8161975 Dual mode impulse noise protecting earplug (D-182)
US Patent D676954 Dual mode attenuating earplug
US Patent 8479744 Fin earplug
US Patent D739520 Earplug
US Patent D745135 Earplug
•••
Patent Citations Received
US Patent D1040333 Noise reduction earplug
0
US Patent D1040332 Ear plug
0
Patent Inventor Names
Yingchao Qin
Patent Jurisdiction
United States Patent and Trademark Office
Patent Number
D1003423
Patent Primary Examiner
Rhea Shields
CPC Code
A61F 11/08
H05B 47/12
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