Dial knob for a washing machine

FIG. 1 is a front/right-side/top perspective view of a dial knob for a washing machine showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left-side elevational view thereof;

FIG. 5 is a right-side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view thereof in its environment.

The broken line showing of knob details in FIG. 7 and a washing machine in FIG. 8 is included for the purpose of showing environmental portions of the dial knob for washing machine and forms no part of the claimed design.