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:
Apr. 09, 2019
Filed:
Nov. 04, 2014
Sumitomo Rubber Industries, Ltd., Kobe-shi, Hyogo, JP;
Kazuki Numata, Kobe, JP;
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-Shi, Hyogo, JP;
Abstract
A heavy duty tire includes, in a tread portion, circumferentially extending zigzag center main grooves, circumferentially extending linear shoulder main grooves, a center land portion, middle land portions, and shoulder land portions. The middle land portions have middle inclined grooves connecting an axially outer top portion of one of the center main grooves and its adjacent shoulder main groove. The shoulder land portions have shoulder inclined grooves connecting one of the shoulder main grooves and its adjacent tread grounding end. The center land portion has first center inclined sipes connecting an axially inner top portion of one of the center main grooves and its adjacent axially inner top portion of the other center main groove and second center inclined sipes connecting an axially outer top portion of one of the center main grooves and its adjacent axially outer top portion of the other center main groove.