The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawings will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a perspective view, showing the new design for a respiratory mask;
FIG. 2 is a left side view thereof, the right side view being a mirror image of the left side view;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a top view thereof; and
FIG. 6 is a bottom view thereof.
FIG. 7 is a perspective view, showing a second embodiment of the new design for a respiratory mask;
FIG. 8 is a left side view of the second embodiment;
FIG. 9 is a front view of the second embodiment;
FIG. 10 is a top view of the second embodiment;
FIG. 11 is a perspective view, showing a third embodiment of the new design for a respirator mask;
FIG. 12 is a left side view of the third embodiment;
FIG. 13 is a front view of the third embodiment; and,
FIG. 14 is a top view of the third embodiment.
The rear and bottom views of the second and third embodiment resemble those views of the first embodiment, and the right side views of the second and third embodiments are mirror images of the left side views.