We claim the ornamental design for a control panel for washing machine, as shown and described.
FIG. 1 is a front perspective view of a control panel for 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 a front perspective view showing the control panel for washing machine in an open position in which a washing machine is provided in broken lines to illustrate an example environment.
The broken lines in the figures show portions of the control panel for washing machine which form no part of the claimed design.