Breathing tube

The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.

FIG. 1 is a top, front, and side perspective view of a breathing tube showing our new design.

FIG. 2 is a bottom view thereof.

FIG. 3 is a top view thereof.

FIG. 4 is a front view thereof.

FIG. 5 is a rear view thereof.

FIG. 6 is an enlarged right side view thereof.

FIG. 7 is an enlarged left side view thereof; and,

FIG. 8 is an enlarged view of portion 8 of FIG. 5 , showing a bead that is blue in color.

The breathing tube is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.

In the illustrated embodiments, the color and shading of the bead is a blue color value in the L*a*b* color space of L=42 to 48; a=10 to 18; b=−69 to −53 according to color measurement standard ISO 11664-4:2008(E)/CIE S 014-4/E:2007.