USD817477SActiveUtility

Dustproof mask

31
Assignee: CT INTEGRATED SMART SENSORS FOUNDPriority: Dec 29, 2015Filed: Dec 29, 2015Granted: May 8, 2018
Est. expiryDec 29, 2035(~9.4 yrs left)· nominal 20-yr term from priority
Inventors:Dae Ick Han
31
PatentIndex Score
1
Cited by
12
References
1
Claims

Claims

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

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