The ornamental design for a tread portion of an automobile tire, as shown and described.
FIG. 1 is a front view of a tread portion of an automobile tire according to the present invention, the tread pattern repeating uniformly throughout the circumference of the tire;
FIG. 2 is a perspective view thereof;
FIG. 3 is a left side view thereof, the right side being a mirror image; and,
FIG. 4 is a fragmentary enlarged view showing the details of the tread portion thereof.
Broken lines in the drawing figures are used to show environmental structure only, and form no part of the claimed design.
CORRECTIVE ASSIGNMENT TO CORRECT THE ADD THE SECOND INVENTOR YUKIHIRO KIWAKI PREVIOUSLY RECORDED ON REEL 023221 FRAME 0160 ASSIGNOR S HEREBY CONFIRMS THE ASSIGNMENT
CORRECTIVE ASSIGNMENT TO CORRECT THE ADD THE SECOND INVENTOR YUKIHIRO KIWAKI PREVIOUSLY RECORDED ON REEL 023221 FRAME 0160 ASSIGNOR S HEREBY CONFIRMS THE ASSIGNMENT