US D411297 S
FIG. 1 is a side perspective view of the oxygen mask of my claimed design;
FIG. 2 is a front elevational view thereof
FIG. 3 is a left side elevational view thereof, the right side elevational view being a mirror image thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof; and,
FIG. 6 rear elevational view thereof.