The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9302548 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 05, 2016

Filed:

Aug. 08, 2013
Applicant:

Sumitomo Rubber Industries, Ltd., Kobe-shi, Hyogo, JP;

Inventors:

Maiko Tanabe, Kobe, JP;

Junichiro Morozumi, Kobe, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60C 11/04 (2006.01); B60C 11/117 (2006.01); B60C 11/13 (2006.01); B60C 11/03 (2006.01);
U.S. Cl.
CPC ...
B60C 11/0304 (2013.04); B60C 11/032 (2013.04); B60C 11/0309 (2013.04); B60C 11/1307 (2013.04); B60C 11/1323 (2013.04); B60C 11/1392 (2013.04); B60C 11/0318 (2013.04); B60C 11/042 (2013.04); B60C 2011/039 (2013.04); B60C 2011/0341 (2013.04); B60C 2011/0348 (2013.04); B60C 2011/0381 (2013.04); B60C 2011/0386 (2013.04); B60C 2011/0395 (2013.04);
Abstract

A pneumatic tire comprises an asymmetric tread pattern with a designated install direction to a vehicle having an outboard tread edges, the tread pattern having an outboard tread portion between the outboard tread edge and a tire equator and provided with an outer main groove, the outer main groove having a cross section comprising a bottom with a depth of 5.5 to 6.5 mm, and axially inner and outer groove walls each extending from the bottom to a tread contact surface, respectively, at least one of groove walls having a stepwise shape comprising a radially inner portion extending from the bottom with a height of 2.0 to 4.0 mm, an axially extending stepped portion extending from the radially inner portion with a length of 0.75 to 1.25 mm, and a radially outer portion between the stepped portion and the tread contact surface.


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Tanabe, Maiko. (2016). Pneumatic tire (U.S. Patent No. 9302548). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9302548

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