Tread of an automobile tire

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

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a fragmentary enlarged front view surrounded by line A-A and B-B in FIG. 2 ; and,

FIG. 7 is a sectional view taken along line 7 - 7 in FIG. 6 .

The dark and medium gray stippled shading represents tread grooves having the depths shown in FIG. 7 .

The broken lines are used to show portions of the tread of an automobile tire that are not being claimed, and thus form no part of the claimed design.