Breathing apparatus

FIG. 1 is a perspective view of a breathing apparatus showing our new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is another perspective view thereof;

FIG. 4 is another perspective view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a right side view thereof;

FIG. 9 is a top view thereof;

FIG. 10 is a bottom view thereof; and,

FIG. 11 is a cross-sectional view taken along line 11 - 11 in FIG. 7 .

The broken lines illustrate portions of the breathing apparatus that form no part of the claimed design. The dot-dash broken lines define the bounds of the claimed design and form no part thereof.