USD980966SActiveUtility

Noise reduction earplug

90
Assignee: HUANG SHAPriority: Nov 2, 2021Filed: Nov 2, 2021Granted: Mar 14, 2023
Est. expiryNov 2, 2041(~15.3 yrs left)· nominal 20-yr term from priority
Inventors:Hao HuKeqiang DengFeng CuiXiangen Zhao
90
PatentIndex Score
27
Cited by
65
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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