US D326540 S
Abstract available in
FIG. 1 is a perspective view of a filter mask showing my new design;
FIG. 2 is a side elevational view thereof, the other side being a mirror image;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof; and,
FIG. 6 is a rear elevational view thereof.
The strap in FIGS. 2 through 6 is shown broken away for convenience of illustration.