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:
Jul. 03, 2012

Filed:

Feb. 20, 2007
Applicants:

Yukihiro Kiwaki, Higashimurayama, JP;

Ryoichi Watabe, Tokyo, JP;

Inventors:

Yukihiro Kiwaki, Higashimurayama, JP;

Ryoichi Watabe, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C 11/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

A pneumatic tire according to the present invention includes blocks on its tread which are segmented by plural circumferential groovesextending along a tire circumferential direction and plural lateral groovesextending along a tread width direction. Circumferential sipes extending along the tire circumferential direction are provided in the blocks. Inside circumferential sipes extend straight along a tire radial direction and outside circumferential sipes extend along the tire radial direction in zigzag patterns. According to the present invention, a handling performance, especially, a cornering performance can be improved regardless of road surface conditions.


Find Patent Forward Citations

Loading…