Prison structure

Abstract

Description

FIG. 1 is a front perspective view of a prison structure showing my new design;

FIG. 2 is a side elevational view the opposite side is a mirror image thereof;

FIG. 3 is a front elevational view the rear is a mirror image thereof; and,

FIG. 4 is a top plan view thereof.

Claims

The ornamental design for a prison structure, as shown and described.