Tread portion of an automobile tire
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The portion of the article shown in broken lines is for illustrative purpose only and forms no part of the claimed design.
In the drawings, the dark stippled surface shading represents the recessed portion of the tread grooves, having the depth shown in
Claims
The ornamental design for a tread portion of an automobile tire, as shown and described.
Type: Grant
Filed: Jun 1, 2006
Date of Patent: Dec 18, 2007
Assignee: Bridgestone Corporation (Tokyo)
Inventor: Sotaro Iwabuchi (Chuo-ku)
Primary Examiner: Robert M. Spear
Assistant Examiner: Katrina A Kile
Attorney: Sughrue Mion Pllc.
Application Number: 29/260,750