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:
Jun. 27, 2017

Filed:

Oct. 25, 2013
Applicant:

Bridgestone Corporation, Tokyo, JP;

Inventors:

Hiroyuki Katsuno, Tokyo, JP;

Satoshi Ishikawa, Tokyo, JP;

Shinsaku Katayama, Tokyo, JP;

Eisuke Seta, Tokyo, JP;

Yoshio Kaji, Tokyo, JP;

Takayuki Kurata, Tokyo, JP;

Assignee:

BRIDGESTONE CORPORATION, Chuo-ku, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C 11/11 (2006.01); B60C 11/13 (2006.01); B60C 11/03 (2006.01); B60C 11/04 (2006.01); B60C 5/00 (2006.01); B60C 11/12 (2006.01);
U.S. Cl.
CPC ...
B60C 11/11 (2013.01); B60C 5/00 (2013.01); B60C 11/0302 (2013.04); B60C 11/04 (2013.01); B60C 11/1236 (2013.04); B60C 11/13 (2013.01); B60C 11/1369 (2013.04); B60C 11/1384 (2013.04); B60C 2011/0344 (2013.04); B60C 2011/0346 (2013.04); B60C 2011/1213 (2013.04);
Abstract

A pneumatic tire, comprising: a tread surface; a plurality of grooves formed in the tread surface, including a plurality of widthwise grooves each extending from a corresponding tread end on the inner side in the tread width direction and a plurality of circumferential grooves each extending in the tread circumferential direction to intersect the widthwise grooves; blocks demarcated by the plurality of grooves; and a chamfered portion formed at a corner, on the trailing edge side and on the outer side in the tread width direction, of each block.


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