Step stool and tank unit

Description

FIG. 1 is a bottom perspective view of a step stool and tank unit embodying our new design;

FIG. 2 is a bottom perspective view thereof from another perspective;

FIG. 3 is top perspective view thereof;

FIG. 4 is a top perspective view thereof from another perspective;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a side elevation view thereof;

FIG. 7 is rear elevation view thereof;

FIG. 8 is a front elevation view thereof; and,

FIG. 9 is a top plan view thereof.

The broken lines shown in the drawings represent portions of the step stool and tank unit that form no part of the claimed design.

Claims

The ornamental design for a step stool and tank unit, as shown and described.