Respiratory device filter

Description

FIG. 1 is a perspective view of a first embodiment of a respiratory device filter, made according to the new design;

FIG. 2 is a front elevational view of the respiratory device filter of FIG. 1;

FIG. 3 is a rear elevational view of the respiratory device filter of FIG. 1;

FIG. 4 is a right side elevational view of the respiratory device filter of FIG. 1;

FIG. 5 is a left side elevational view of the respiratory device filter of FIG. 1;

FIG. 6 is a top plan view of the respiratory device filter of FIG. 1;

FIG. 7 is a bottom plan view of the respiratory device filter of FIG. 1; and,

FIG. 8 is a perspective view of a second embodiment of a respiratory device filter of FIG. 1, the only difference being the inclusion of shading on the mouthpiece to contrast the color between the mouthpiece and the remainder body of the first embodiment, it being understood that all other surfaces are the same as those of the first embodiment.

The broken line showing of lettering is included for the purpose of illustrating an internal boundary with the line itself and the area within forming no part of the claimed design.

Claims

The ornamental design for a respiratory device filter, as shown and described.