Tread portion of an automobile tire
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Description
Broken lines in the drawing figures are intended to show environmental structure only, and form no part of the claimed design.
Claims
The ornamental design for a tread portion of an automobile tire, as shown and described.
Referenced Cited
Patent History
Patent number: D669022
Type: Grant
Filed: Mar 4, 2011
Date of Patent: Oct 16, 2012
Assignee: Bridgestone Corporation (Tokyo)
Inventor: Yukihiro Kiwaki (Tokyo)
Primary Examiner: George D Kirschbaum
Attorney: Sughrue Mion, PLLC
Application Number: 29/386,758
Type: Grant
Filed: Mar 4, 2011
Date of Patent: Oct 16, 2012
Assignee: Bridgestone Corporation (Tokyo)
Inventor: Yukihiro Kiwaki (Tokyo)
Primary Examiner: George D Kirschbaum
Attorney: Sughrue Mion, PLLC
Application Number: 29/386,758
Classifications
Current U.S. Class:
Circumferential Groove Width At Least 10 Percent Of Tread Width (D12/581)