US D388514 S
FIG. 1 is a left side elevational view of a protective mask illustrating the orientation of the mask when worn by a human being, the outline of the human being indicated by the phantom lines and forming no part of the invention;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a right side elevational view thereof; and,
FIG. 6 is a bottom plan view thereof.