Helmet

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

FIG. 2 is another perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof, the right-side view being a mirror image thereof, except the broken line portion;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a perspective view thereof in an alternate environment;

FIG. 9 is a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a left side view thereof;

FIG. 12 is a perspective view of a second embodiment thereof, showing the helmet in a collapsed position;

FIG. 13 is another perspective view thereof;

FIG. 14 is a front view thereof;

FIG. 15 is a rear view thereof;

FIG. 16 is a left side view thereof;

FIG. 17 is a top view thereof; and,

FIG. 18 is a bottom view thereof.

The broken lines depict portions of the helmet and environment which form no part of the claimed design.