Parallel bond lines on a fibrous filtration face mask

FIG. 1 is a perspective view, showing the new design for parallel bond lines on a fibrous filtration face mask;

FIG. 2 is a front view thereof;

FIG. 3 is an enlarged expanded cross-sectional view thereof, taken along line 3 - 3 of FIG. 2 ;

FIG. 4 is a left-side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a rear view thereof;

FIG. 8 is a perspective view that shows the new design for parallel bond lines on a fibrous filtration face mask with the mask in folded condition; and,

FIG. 9 is a left side view of the folded mask of FIG. 8 , the right side view being a mirror image of the left side view.

The broken line showing forms no part of the claimed design.