Countertop dishwasher

FIG. 1 is a front perspective view of a countertop dishwasher according to our design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front bottom perspective view thereof; and,

FIG. 9 is a front perspective view showing an example use thereof.

The broken lines in FIG. 9 illustrate dishes and glasses that are environment features and that form no part of the claimed design. All other broken lines depict portions of the countertop dishwasher that form no part of the claimed design. The diagonal lines and curved lines on the surfaces of the countertop dishwasher represent a transparent surface. The stipple shading in FIGS. 1-9 is intended to illustrate the surface contours of the transparent top surface of the countertop dishwasher.