Top portion of a protective respiratory helmet

Abstract

Description

FIG. 1 is a perspective view of a top portion of a protective respiratory helmet showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a left side elevational view thereof, the right side being a mirror image.

The portion of the drawings shown in phantom is for illustrative purposes only and is not intended to form part of the claimed design.

Claims

The ornamental design for a top portion of a protective respiratory helmet, as shown and described.