Tread portion of an automobile tire

FIG. 1 is a perspective view of a tread portion of an automobile tire;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a fragmentary enlarged front view showing the details of the tread portion thereof;

FIG. 8 is a section view taken along line 8 - 8 in FIG. 7 ; and,

FIG. 9 is a section view taken along line 9 - 9 in FIG. 7 .

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