FIG. 1 is an isometric view of a step stool showing my new design in a first configuration showing a front, right side, and top of the step stool;
FIG. 2 is an isometric view of the step stool in a first configuration showing a back, right side, and top of the step stool;
FIG. 3 is an isometric view of the step stool in a first configuration showing a back, left side, and top of the step stool;
FIG. 4 is an isometric view of the step stool in a first configuration showing a front, left side, and top of the step stool;
FIG. 5 is a back side view of the step stool in a first configuration;
FIG. 6 is a top side view of the step stool in a first configuration;
FIG. 7 is a right side view of the step stool in a first configuration;
FIG. 8 is a left side view of the step stool in a first configuration;
FIG. 9 is a front side view of the step stool in a first configuration;
FIG. 10 is a bottom side view of the step stool in a first configuration;
FIG. 11 is an isometric view of the step stool in a first configuration showing a front, left side, and bottom of the step stool;
FIG. 12 is an isometric view of the step stool in a first configuration showing a front, right side, and bottom of the step stool;
FIG. 13 is an isometric view of the step stool in a first configuration showing a back, right side, and bottom of the step stool;
FIG. 14 is an isometric view of the step stool in a first configuration showing a back, left side, and bottom of the step stool;
FIG. 15 is an isometric view of the step stool in a second configuration showing a front, right side, and top of the step stool;
FIG. 16 is an isometric view of the step stool in a second configuration showing a back, right side, and top of the step stool;
FIG. 17 is an isometric view of the step stool in a second configuration showing a back, left side, and top of the step stool;
FIG. 18 is an isometric view of the step stool in a second configuration showing a front, left side, and top of the step stool;
FIG. 19 is a back side view of the step stool in a second configuration;
FIG. 20 is a top side view of the step stool in a second configuration;
FIG. 21 is a right side view of the step stool in a second configuration;
FIG. 22 is a left side view of the step stool in a second configuration;
FIG. 23 is a front side view of the step stool in a second configuration;
FIG. 24 is a bottom side view of the step stool in a second configuration;
FIG. 25 is an isometric view of the step stool in a second configuration showing a front, left side, and bottom of the step stool;
FIG. 26 is an isometric view of the step stool in a second configuration showing a front, right side, and bottom of the step stool;
FIG. 27 is an isometric view of the step stool in a second configuration showing a back, right side, and bottom of the step stool; and,
FIG. 28 is an isometric view of the step stool in a second configuration showing a back, left side, and bottom of the step stool.
The broken lines in the drawings depict environmental subject matter and form no part of the claimed design.