Tread portion of an automobile tire

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;

FIG. 2 is a perspective view thereof;

FIG. 3 is a right side view thereof; and,

FIG. 4 is a fragmentary enlarged view showing the details of the tread portion thereof.

Broken lines in the drawing figures are intended to show environmental structure only, and form no part of the claimed design.

Patent	Priority	Assignee	Title
D686976,	Mar 11 2011	Bridgestone Corporation	Tire
D694174,	May 02 2011	Continental Reifen Deutschland GmbH	Tire
D816594,	Jan 20 2017	Sumitomo Rubber Industries, Ltd.	Tire for automobile

Patent	Priority	Assignee	Title
D588984,	Dec 01 2006	KUMHO TIRE CO , INC , A REPUBLIC OF KOREA COMPANY	Tire for a car
D601950,	Nov 02 2007	COMPAGNIE GÉNÉRALE DES ETABLISSEMENTS MICHELIN	Tire tread
D612326,	Nov 04 2009		Tire tread
D615480,	Oct 30 2009	Cooper Tire & Rubber Company	Tire tread
D615922,	Apr 03 2008	Sumitomo Rubber Industries, Ltd.	Tire for automobile

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Sep 17 2009	KIWAKI, YUKIHIRO	Bridgestone Corporation	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	023267	0072	pdf
Sep 22 2009		Bridgestone Corporation	(assignment on the face of the patent)

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