USD881379SActiveUtility

Protective mask

30
Assignee: CHANGZHOU CHUDENG TRADING CO LTDPriority: Dec 9, 2019Filed: Dec 9, 2019Granted: Apr 14, 2020
Est. expiryDec 9, 2039(~13.3 yrs left)· nominal 20-yr term from priority
Inventors:Han Zhan
30
PatentIndex Score
4
Cited by
36
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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