Welding helmet having a button

FIG. 1 is a perspective view of a welding helmet having a button showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a bottom view thereof.

The claim is directed to the double center circle and the two outer solid lines only, and not to the surrounding space.

Broken lines form no part of the claimed design, and any shading is provided to illustrate contour only and is not an indication of texture, gloss, etc.