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. 18, 2016
Filed:
Jun. 28, 2013
Bridgestone Corporation, Chuo-ku, Tokyo, JP;
Shinsuke Nakamura, Kodaira, JP;
BRIDGESTONE CORPORATION, Tokyo, JP;
Abstract
A pneumatic tire for heavy load has a tread, circumferential grooves () extending continuously in the tread circumferential direction, transverse grooves () opening to the circumferential grooves () adjacent each other in the tread width direction, and a block () defined by the circumferential grooves () and the transverse grooves () on a surface () of the tread. The block () is provided with one or more shallow grooves (-) having an average groove depth shallower than a groove depth of the circumferential grooves () adjacent to the block (). The average groove depth of the shallow grooves (-) is greater than 20% and less than 80% of the groove depth of the circumferential grooves (). At least one of the shallow grooves (-) opens to at least one of the transverse grooves () and the circumferential grooves () adjacent to the block ().