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:
Nov. 03, 2015
Filed:
May. 09, 2008
Kensuke Dobashi, Kodaira, JP;
Takaaki Kojima, Kodaira, JP;
Shungo Fujita, Kunitachi, JP;
Shu Nagai, Sayama, JP;
Soutarou Iwabuchi, Kodaira, JP;
Kensuke Dobashi, Kodaira, JP;
Takaaki Kojima, Kodaira, JP;
Shungo Fujita, Kunitachi, JP;
Shu Nagai, Sayama, JP;
Soutarou Iwabuchi, Kodaira, JP;
BRIDGESTONE CORPORATION, Tokyo, JP;
Abstract
A pneumatic tire comprises a tread provided with at least two circumferential main grooves and a rib defined in a tread central portion by the circumferential main grooves, wherein an auxiliary groove is formed in the tread central portion, the auxiliary groove having a circumferential groove portion extending in a tire equator direction and an axial groove portion extending from an end of the circumferential groove portion in such a manner that the axial groove portion is bent at an acute angle to the circumferential groove portion, and at least an end of the auxiliary groove is open into the circumferential main groove.