Washboard for washing machine

FIG. 1 is a perspective view of a washboard 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 right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a cross-sectional view taken along line 8 - 8 thereof shown in FIG. 6 ;

FIG. 9 is an enlarged view showing the portion encircled by broken lines and labeled 9 in FIG. 1 ; and,

FIG. 10 is another perspective view thereof in an environment of use.

The broken lines are for environmental purpose only and form no part of the claimed design.