Tread portion of an automobile tire

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

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 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 .

In the drawings, the broken lines defining the sidewall, inner bead and the peripheral boundary between the claimed tire tread and the unclaimed sidewall depict environmental subject matter that forms no part of the claimed design.