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:
Feb. 26, 2008
Filed:
Jul. 01, 2004
Kazuya Suzuki, Kobe, JP;
Kazuya Suzuki, Kobe, JP;
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Abstract
A tread () of a tire () includes a tread rubber layer (). The tread rubber layer () has a two-layer structure including a base layer () and a cap layer (). The base layer () is provided with a comb-shaped convex portion (). The convex portion () is formed like a circle extended in the circumferential direction of the tire (). A plurality of convex portions () is arranged in the axial direction of the tire () and is protruded in a radial direction. At least a part of the convex portions () is exposed to a tread surface () when the tire () is unused (brand-new). The cap layer () contains silica and the base layer () does not contain the silica.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile