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. 05, 2019
Filed:
Apr. 21, 2014
Bridgestone Corporation, Chuo-ku, Tokyo, JP;
Keiichi Kato, Kodaira, JP;
BRIDGESTONE CORPORATION, Chuo-ku, Tokyo, JP;
Abstract
A pneumatic tire includes, in an inner land () portion, a first resonator () made up of a first sub-groove (), a first branch groove () opening to one of two inner circumferential main grooves (), and a first branch groove () opening to the other one of the two inner circumferential main grooves (), and also includes, in an external land portion (), a second resonator () made up of a second sub-groove () and a second branch groove () that is opening to one of two external circumferential main grooves () and a third resonator () made up of a third sub-groove () and a third branch groove () that is opening to the other one of the two external circumferential main grooves (). The second resonator () and the third resonator () have groove widths smaller than the groove width of the first resonator ().