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:
Jul. 22, 2014
Filed:
Dec. 13, 2011
Hiroshi Yamada, Kobe, JP;
Hiroshi Yamada, Kobe, JP;
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Abstract
A pneumatic tire comprises a tread portion divided into a crown land region, two middle land regions and two shoulder land regions. The crown land region and middle land regions are each divided into triangular blocks by axial grooves arranged in a zigzag fashion. The shoulder land regions are each divided into shoulder blocks by axial grooves extending at an angle of not less than 70 degrees. The shoulder block is subdivided into an axially inner part and an axially outer part by a secondary groove extending at an angle of not more than 10 degrees. The outer part is provided with sipes extending at an angle of not less than 70 degrees, each angle with respect the circumferential direction.