Hancock, et al.
April 12, 2011
December 24, 2009
Hancock; Jeffrey D.
Hancock; Dennis H.
Attorney Or Agent:
Field Of Search:
U.S Patent Documents:
Foreign Patent Documents:
CLAIM An ornamental design for a dust mask, as shown and described.
FIG. 1 is a front perspective view of a dust mask showing our new design, the person shown in broken lines forms no part of the claimed design;
FIG. 2 is a front perspective view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a right side elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a rear elevation view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The broken lines on the mask represent conventional stitching. The crosshatch shading is understood to repeat throughout the indicated area.
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