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 plane 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 a fragmentary enlarged view showing the details of the tread portion thereof;

FIG. 8 is an end view taken along line 8 - 8 in FIG. 7 ;

FIG. 9 is an end view taken along line 9 - 9 in FIG. 7 ; and,

FIG. 10 is an end view taken along 10 - 10 in FIG. 7 .

Broken lines in the drawings figures are used to show portions of the tire that are not being claimed and thus form no part of the claimed design.