Patent Publication Number: US-D723744-S

Title: Portion of a protective helmet

Description:
FIG. 1  is a perspective view of a portion of a protective helmet showing our new design; 
         FIG. 2  is a rear view of the portion of a protective helmet of  FIG. 1 ; 
         FIG. 3  is a front view of the portion of a protective helmet of  FIG. 1 ; 
         FIG. 4  is a top view of the portion of a protective helmet of  FIG. 1 ; 
         FIG. 5  is a bottom view of the portion of a protective helmet of  FIG. 1 ; 
         FIG. 6  is a right side view of the portion of a protective helmet of  FIG. 1 ; 
         FIG. 7  is a left side view of the portion of a protective helmet of  FIG. 1 ; 
         FIG. 8  is another left side view of the portion of a protective helmet of  FIG. 1  shown in a used condition mounted to a tensioning unit for a supporting band of the protective helmet shown in broken lines; 
         FIG. 9  is a rear view of the portion of a protective helmet of  FIG. 1  shown in a used condition mounted to a tensioning unit for a supporting band of the protective helmet shown in broken lines; and, 
         FIG. 10  is a bottom perspective view of the portion of a protective helmet of  FIG. 1  shown in a used condition mounted to a tensioning unit for a supporting band of the protective helmet shown in broken lines. 
       The tensioning unit for a supporting band shown in broken lines in  FIGS. 8-10  form no part of the claimed design.