USD1022181SActiveUtility

Noise reduction earplug

73
Assignee: SHENZHEN CHANGLONG TRADING CO LTDPriority: Oct 11, 2023Filed: Oct 11, 2023Granted: Apr 9, 2024
Est. expiryOct 11, 2043(~17.2 yrs left)· nominal 20-yr term from priority
Inventors:Dehua Guo
73
PatentIndex Score
6
Cited by
25
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a noise reduction earplug, as shown and described.

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