Combination respiratory mask and heat and moisture exchanger unit

Description

FIG. 1 is a front perspective view of a combination respiratory mask and heat and moisture exchanger unit showing a first embodiment of our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a front perspective view of a combination respiratory mask and heat and moisture exchanger unit showing a second embodiment of our new design;

FIG. 9 is a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a top view thereof;

FIG. 12 is a bottom view thereof;

FIG. 13 is a left side view thereof;

FIG. 14 is a right side view thereof;

FIG. 15 is a front perspective view of a combination respiratory mask and heat and moisture exchanger unit showing a third embodiment of our new design;

FIG. 16 is a front view thereof;

FIG. 17 is a rear view thereof;

FIG. 18 is a top view thereof;

FIG. 19 is a bottom view thereof;

FIG. 20 is a left side view thereof;

FIG. 21 is a right side view thereof;

FIG. 22 is a front perspective view of a combination respiratory mask and heat and moisture exchanger unit showing a fourth embodiment of our new design;

FIG. 23 is a front view thereof;

FIG. 24 is a rear view thereof;

FIG. 25 is a top view thereof;

FIG. 26 is a bottom view thereof;

FIG. 27 is a left side view thereof; and,

FIG. 28 is a right side view thereof.

One or more views (e.g., bottom view) may not be shown as those views are unornamented or simply not claimed in a given embodiment.

The broken lines in the drawings depict portions of the combination respiratory mask and heat and moisture exchanger unit that form no part of the claimed design.

Claims

The ornamental design for a combination respiratory mask and heat and moisture exchanger unit, as shown and described.