Protective helmet

Description

FIG. 1.1 is a front perspective view of a protective helmet showing my new design;

FIG. 1.2 is a rear perspective view thereof;

FIG. 1.3 is a front view thereof;

FIG. 1.4 is a left side view thereof;

FIG. 1.5 is a rear view thereof;

FIG. 1.6 is a top view thereof;

FIG. 1.7 is a bottom view thereof, and

FIG. 1.8 is a right side view thereof.

Portions of the protective helmet shown in broken lines form no part of the claimed design.

Claims

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