FIG. 1 is a perspective view of a breathing device utilizing a catalytic oxygen generation method taken from the front, top and left;
FIG. 2 is a perspective view thereof taken from the rear, top and right;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a left side elevation view thereof; and,
FIG. 8 is a right side elevation view thereof.
The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design.