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:
May. 12, 2026
Filed:
Oct. 07, 2022
Bridgestone Americas Tire Operations, Llc, Nashville, TN (US);
Paul J. Wischt, Jr., Barberton, OH (US);
David M. Severyn, Uniontown, OH (US);
Bridgestone Americas Tire Operations, LLC, Nashville, TN (US);
Abstract
In one aspect, a tire is provided, the tire comprising: a tread portion comprising at least one of a tread rib or a tread block, a sipe included in the tread rib or the tread block, wherein the sipe includes a central s-shaped portion located axially between opposing laterally extending straight portions, wherein the sipe includes a plurality of key portions angled in a first circumferential direction, wherein the sipe includes a plurality of return portions angled in a second circumferential direction, wherein the return portions connect the key portions, and wherein a first key portion intersects a tread surface of the tread rib or the tread block. The plurality of key portions are angled at an angle KA, the plurality of return portions are angled at an angle RA, and the ratio of the angle KA to the angle RA is at least 5:1.