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. 01, 2011
Filed:
Aug. 23, 2007
Hideaki Yoshikawa, Kobe, JP;
Masahiro Tamura, Kobe, JP;
Hideaki Yoshikawa, Kobe, JP;
Masahiro Tamura, Kobe, JP;
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Abstract
A pneumatic tire having an improved noise performance without deteriorating the drainage performance and having in a tread portion at least one circumferential main groovewhich extend continuously in the tire circumferential direction, wherein the circumferential main groovehas a pair of groove walls, and in at least one of the groove wallsare provided at intervals in the tire circumferential direction a plurality of fine grooveseach of which extends in the tire radial direction and is provided in at least a part of its inner surface with a non-flat portionextending in a wave-like form in its length direction.