USD657052SActiveUtility

Dust mask

67
Individually held — no corporate assignee on recordPriority: Sep 22, 2009Filed: Sep 22, 2009Granted: Apr 3, 2012
Est. expirySep 22, 2029(~3.1 yrs left)· nominal 20-yr term from priority
Inventors:Harish A. Amin
67
PatentIndex Score
14
Cited by
9
References
1
Claims

Claims

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

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