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:
Jun. 03, 2014
Filed:
Nov. 09, 2009
Toshiyuki Ohashi, Osaka, JP;
Toshiyuki Ohashi, Osaka, JP;
Toyo Tire & Rubber Co., Ltd., Osaka, JP;
Abstract
In a pneumatic tire, at least one groove wall face of at least one of the grooves includes a portion located at the tread surface side and a portion located at a groove bottom side with respect to the portion located at the tread surface side, the portion located at the tread surface side includes a plane face that forms a right angle or an obtuse angle with respect to the land portion surface, and a bottom face extending outward in a width direction of the groove from an end at the groove bottom side of the plane face, the portion located at the groove bottom side has an inclined face extending from the groove bottom in the width direction toward the outside of the bottom face, the inclined face and the bottom face form therebetween a recess portion recessed outward in the width direction of the groove.