Trench box or parapet wall guardrail receiver

Description

FIG. 1 is a front elevational view of a trench box or parapet wall guardrail receiver showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a perspective view thereof;

FIG. 7 is a left side elevational view thereof illustrating another position;

FIG. 8 is a left side elevational view thereof illustrating another position;

FIG. 9 is a front perspective view thereof illustrating use with a trench box;

FIG. 10 is a rear perspective view thereof illustrating use with a trench box and guardrail posts; and,

FIG. 11 is a rear perspective view thereof illustrating use with a trench box and a guardrail post.

The right side elevational view is a mirror image of the left side.

The features shown in broken lines depict environmental structure only and form no part of the claimed design.

Those portions of the trench box and guardrail posts shown in broken lines are included to denote nature and environmental use of the claimed design and form no part of the claimed design.

Claims

The ornamental design for a trench box or parapet wall guardrail receiver, as shown and described herein.