FIG. 1 is a perspective view of tread portion of an automobile tire showing my 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 of 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;
FIG. 9 is a section view taken along line 9-9 in FIG. 7;
FIG. 10 is a section view taken along line 10-10 in FIG. 7;
FIG. 11 is a perspective view of tread portion of an automobile tire according to a second embodiment of my design;
FIG. 12 is a front view thereof;
FIG. 13 is a top view thereof;
FIG. 14 is a right side view thereof;
FIG. 15 is a left side of view thereof;
FIG. 16 is a rear view thereof;
FIG. 17 is a fragmentary enlarged front view showing the details of the tread portion thereof; and
FIG. 18 is a section view taken along line 18-18 in FIG. 17.
FIG. 19 is a section view taken along line 19-19 in FIG. 17; and,
FIG. 20 is a section view taken along line 20-20 in FIG. 17.
The broken lines are used to show portions of the tire that are not being claimed, and thus form no part of the claimed design.