Tread portion of an automobile tire
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Broken lines in the drawing figures are intended to show portions of the tire that are not being claimed and thus form no part of the claimed design.
Claims
The ornamental design for a tread portion of an automobile tire, as shown and described.
Type: Grant
Filed: Mar 7, 2013
Date of Patent: Oct 21, 2014
Assignee: Bridgestone Corporation (Tokyo)
Inventors: Keiichi Kato (Chuo-ku), Yukihiro Kiwaki (Chuo-ku)
Primary Examiner: Stacia Cadmus
Application Number: 29/447,871