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:
Oct. 25, 2011
Filed:
Aug. 22, 2007
Shingo Takahashi, Kobe, JP;
Shingo Takahashi, Kobe, JP;
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Abstract
A pneumatic tire is provided in the tread portion () with a circumferential groove () extending continuously in the tire circumferential direction and having a pair of oppositely opposed groove walls (). The circumferential groove () is provided in at least one of the groove walls () with radial grooves () arranged along the longitudinal direction of the circumferential groove (). The radially outer end () of the radial groove () is positioned in a range () of from 0 to 20% of the depth (GDt) of the circumferential groove. The radially inner end () of the radial groove () is positioned in a range () of from 80 to 100% of the depth (GDt) of the circumferential groove. The radial groove has an opening width (g) of not less than 1.0 mm, but not more than 6.0 mm.