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.:
Date of Patent:
Aug. 20, 2013
Filed:
Aug. 01, 2008
Takehiko Murata, Kobe, JP;
Takehiko Murata, Kobe, JP;
Sumitomo Rubber Industries, Ltd., Kobe-Shi, JP;
Abstract
To enhance uneven wear resistance with achieving higher levels of dry grip performance and wet performance, a tread surfaceis provided with one circumferential main groovein an outer regionthereof directed outward of a vehicle and with first and second circumferential main groovesandin an inner regionthereof directed inward of the vehicle, a central region Rc between the circumferential main groovesandis formed into a ribextending continuously in the circumferential direction, an outer shoulder region Ro between the circumferential main grooveand TEo is formed into a row of outer blocksdefined by inclined main grooves, and the outer blocksare provided with inclined sub-grooveshaving an inclination direction different from that of the inclined main groovesthereby dividing each of the outer blocksinto a first block portionA on a tire equator side and a second block portionB on a ground contact edge side.