Protective helmet

Description

FIG. 1 is a front perspective view of a first variant of a protective helmet, showing my new design;

FIG. 2 is a front view of the variant of FIG. 1;

FIG. 3 is a rear view of the variant of FIG. 1;

FIG. 4 is a left side view of the variant of FIG. 1;

FIG. 5 is a right side view of the variant of FIG. 1;

FIG. 6 is a top view of the variant of FIG. 1;

FIG. 7 is a bottom view of the variant of FIG. 1;

FIG. 8 is a front perspective view of a second variant of a protective helmet, showing my new design;

FIG. 9 is a front view of the variant of FIG. 8;

FIG. 10 is a rear view of the variant of FIG. 8;

FIG. 11 is a left side view of the variant of FIG. 8;

FIG. 12 is a right side view of the variant of FIG. 8;

FIG. 13 is a top view of the variant of FIG. 8; and,

FIG. 14 is a bottom view of the variant of FIG. 8.

Aspects of the Figures appearing in broken lines depict environment that form no part of the claimed design.

Claims

The ornamental design for a protective helmet as shown and described.