Tread portion of an automobile tire

Description

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

FIG. 2 is a front view thereof, the back view being identical;

FIG. 3 is a right side view thereof, the left side view being identical;

FIG. 4 is a top view thereof, the bottom view being identical;

FIG. 5 is a fragmentary enlarged front view surrounded by line 5-5 and line 5′-5′ in FIG. 2 thereof;

FIG. 6 is an end face view taken along line 6-6 in FIG. 5 thereof;

FIG. 7 is an end face view taken along line 7-7 in FIG. 5 thereof; and,

FIG. 8 is view of the fragmentary enlarged front view of FIG. 5 highlighting the grooves.

In FIG. 8 the solid contrast is for the purpose of highlighting the grooves. The dark gray contrast is for the purpose of highlighting the deepest grooves, and the light gray contrast is for the purpose of highlighting the less deep grooves.

The broken lines illustrate portions of the tire that form no part of the claimed design.

The dash-dot broken lines show the boundary of the claim, and form no part of the claimed design.

Claims

The ornamental design for a tread portion of an automobile tire as shown and described.