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:
Feb. 12, 2019
Filed:
Jun. 27, 2014
Applicant:
Sumitomo Rubber Industries, Ltd., Kobe-shi, Hyogo, JP;
Inventor:
Ryo Oba, Kobe, JP;
Assignee:
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-Shi, Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C 11/03 (2006.01); B60C 11/12 (2006.01);
U.S. Cl.
CPC ...
B60C 11/125 (2013.01); B60C 11/0306 (2013.01); B60C 11/0332 (2013.01); B60C 11/1236 (2013.01); B60C 11/1272 (2013.01); B60C 2011/039 (2013.01); B60C 2011/0334 (2013.01); B60C 2011/0344 (2013.01); B60C 2011/0348 (2013.01); B60C 2011/0351 (2013.01); B60C 2011/0353 (2013.01); B60C 2011/0355 (2013.01); B60C 2011/0365 (2013.01); B60C 2011/0367 (2013.01); B60C 2011/0381 (2013.01); B60C 2011/0393 (2013.01); B60C 2011/0395 (2013.01);
Abstract
To provide a pneumatic tire which is improved in on-snow performance, while maintaining steering stability on dry road surface. The pneumatic tire is provided in a tread portionwith a pair of shoulder main grooves, a center main groove, shoulder land portions, and middle land portions. The middle land portionsare provided with middle lateral groovesextending from the shoulder main groovestoward the inside in the tire axial direction, while gradually decreasing the angle with respect to tire circumferential direction. The middle lateral grooveis provided with a groove bottom sipeopened in the groove bottom.