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.

Date of Patent:
May. 11, 2021

Filed:

Dec. 01, 2017
Applicant:

Sumitomo Rubber Industries, Ltd., Kobe, JP;

Inventor:

Hiroshi Yamaoka, Kobe, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60C 11/03 (2006.01); B60C 11/12 (2006.01); B60C 11/13 (2006.01);
U.S. Cl.
CPC ...
B60C 11/0304 (2013.01); B60C 11/0306 (2013.01); B60C 11/1236 (2013.01); B60C 11/1259 (2013.01); B60C 11/1392 (2013.01); B60C 11/1263 (2013.01); B60C 2011/0341 (2013.01); B60C 2011/0374 (2013.01); B60C 2011/0381 (2013.01); B60C 2011/0383 (2013.01); B60C 2011/0386 (2013.01); B60C 2011/1213 (2013.01); B60C 2011/1268 (2013.01);
Abstract

A tire includes a middle land portion between a crown main groove and a shoulder main groove. The middle land portion is provided with a first middle lug groove extending axially outwardly from the crown main groove, a second middle lug groove extending axially inwardly from the shoulder main grooves wherein the first and second middle lug grooves are arranged alternately in a tire circumferential direction, and a first middle sipe provided between the first and second middle lug grooves. The first middle sipe includes a crown-side middle sipe element extending axially outwardly from the crown main groove, a shoulder-side middle sipe element extending axially inwardly from the shoulder main groove at a location different from an extension line of the crown-side middle sipe element and a connecting middle sipe element connecting therebetween.


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