The ornamental design for a washingmachine, as shown and described.
FIG. 1 is a perspective view of a washing machine showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is an enlarged view of the encircled portion 8 of FIG. 1.
The short dash-dash broken lines in the figures show portions of the washing machine that form no part of the claimed design. The dot-dot-dash broken lines encircling portions of the claimed design in FIGS. 1 and 8 that are illustrated in enlargement form no part of the claimed design. The oblique lines in the drawings indicate translucent surfaces.