USD1093747SActiveUtility

Protective mask

30
Assignee: ANHUI HENGYU OPTICAL ELECTRONICS CO LTDPriority: Feb 28, 2023Filed: Aug 4, 2023Granted: Sep 16, 2025
Est. expiryFeb 28, 2043(~16.6 yrs left)· nominal 20-yr term from priority
Inventors:Haijian Sun
30
PatentIndex Score
0
Cited by
22
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a protective mask as shown and described.

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