Breathing apparatus

[0001]FIG. 1 is a perspective view of a breathing apparatus showing our new design;

[0002]FIG. 2 is another perspective view thereof;

[0003]FIG. 3 is another perspective view thereof;

[0004]FIG. 4 is another perspective view thereof;

[0005]FIG. 5 is a front view thereof;

[0006]FIG. 6 is a rear view thereof;

[0007]FIG. 7 is a left side view thereof;

[0008]FIG. 8 is a right side view thereof;

[0009]FIG. 9 is a top view thereof;

[0010]FIG. 10 is a bottom view thereof; and,

[0011]FIG. 11 is a cross-sectional view taken along line 11-11 in FIG. 7.

[0012]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.