Breathing mask assembly including a frame, headgear, and seal

The design consists of the visual features of the Breathing Mask shown in solid lines in the drawings, whether those features are of shape, configuration, ornament or pattern or a combination of the same. The bold, wavy line does not constitute a feature of the design. It is included for illustrative purposes only in order to define the boundary of the design.Figure 1 is a top perspective view of the Breathing Mask;Figure 2 is a left side view of the design shown in Figure 1;Figure 3 is a front view of the design shown in Figure 1;Figure 4 is a right side view of the design shown in Figure 1;Figure 5 is a rear view of the design shown in Figure 1;Figure 6 is a top view of the design shown in Figure 1;Figure 7 is a bottom view of the design shown in Figure 1;