USD636128SActiveUtility

Dust mask

94
Assignee: HANCOCK JEFFREY DPriority: Dec 24, 2009Filed: Dec 24, 2009Granted: Apr 12, 2011
Est. expiryDec 24, 2029(~3.4 yrs left)· nominal 20-yr term from priority
Inventors:Jeffrey D. HancockDennis H. Hancock
94
PatentIndex Score
57
Cited by
24
References
1
Claims

Claims

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

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