Noise reduction earplug
Description
The dashed broken lines in the figures are for the purposes of illustrating portions of the noise reduction earplug that form no part of the claimed design.
Claims
The ornamental design for a noise reduction earplug, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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Patent History
Patent number: D1022181
Type: Grant
Filed: Oct 11, 2023
Date of Patent: Apr 9, 2024
Inventor: Dehua Guo (Guangdong)
Primary Examiner: Mary Shannon Malley
Assistant Examiner: Michelle Marquart Christeon
Application Number: 29/913,997
Type: Grant
Filed: Oct 11, 2023
Date of Patent: Apr 9, 2024
Inventor: Dehua Guo (Guangdong)
Primary Examiner: Mary Shannon Malley
Assistant Examiner: Michelle Marquart Christeon
Application Number: 29/913,997
Classifications
Current U.S. Class:
Ear Plug Or Nose Clip (D24/106)