Nasal mask

The patent or application file contains at least one drawing executed in color. Copies of this patent with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.

FIG. 1 is a top, front and side perspective view of a first embodiment of a nasal mask embodying our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a first side view thereof;

FIG. 5 is a second side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

FIG. 8 is a top, front and side perspective view of a second embodiment of a nasal mask embodying our new design;

FIG. 9 is a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a first side view thereof;

FIG. 12 is a second side view thereof;

FIG. 13 is a top view thereof; and,

FIG. 14 is a bottom view thereof.

The nasal mask is shown with symbolic break lines in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.

The broken lines in the drawings showing ventilation holes illustrate portions of the nasal mask and form no part of the claimed design.