Knock box

Description

FIG. 1 is a perspective view of a knock box, showing my new design;

FIG. 2 is a front elevational view of the knock box; the rear side of which is identical;

FIG. 3 is a left side elevational view of the knock box; the right side of which is identical;

FIG. 4 is a top plan view of the knock box; and,

FIG. 5 is a bottom plan view of the knock box.

Claims

The ornamental design for a knock box as shown and described.