Mask

FIG. 1 is a perspective view of a first embodiment of a mask;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a perspective view thereof with a gasket and a filter detached from a face engaging portion of the mask;

FIG. 9 is a perspective view of a second embodiment of the mask;

FIG. 10 is a front view of the mask of FIG. 9 ;

FIG. 11 is a rear view of the mask of FIG. 9 ;

FIG. 12 is a right side view of the mask of FIG. 9 ;

FIG. 13 is a left side view of the mask of FIG. 9 ;

FIG. 14 is a top view of the mask of FIG. 9 ;

FIG. 15 is a bottom view of the mask of FIG. 9 ; and,

FIG. 16 is a perspective view of the mask of FIG. 9 with a gasket detached from a face engaging portion of the mask.

The broken lines shown in the drawings illustrate portions of the mask and form no part of the claimed design.