Dust mask
Description
The broken lines on the mask represent conventional stitching. The crosshatch shading is understood to repeat throughout the indicated area.
Claims
An ornamental design for a dust mask, as shown and described.
Referenced Cited
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Patent History
Patent number: D636128
Type: Grant
Filed: Dec 24, 2009
Date of Patent: Apr 12, 2011
Inventors: Jeffrey D. Hancock (Uintah, UT), Dennis H. Hancock (Morgan, UT)
Primary Examiner: Ruth McInroy
Application Number: 29/348,352
Type: Grant
Filed: Dec 24, 2009
Date of Patent: Apr 12, 2011
Inventors: Jeffrey D. Hancock (Uintah, UT), Dennis H. Hancock (Morgan, UT)
Primary Examiner: Ruth McInroy
Application Number: 29/348,352
Classifications
Current U.S. Class:
Face, Mouth, Or Ear (D29/108)