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:
Aug. 25, 2020
Filed:
May. 25, 2016
Compagnie Generale Des Etablissements Michellin, Clermont-ferrand, FR;
Michelin Recherche ET Technique S.a., Granges-Paccot, CH;
Fang Zhu, Greenville, SC (US);
Terence Wallace, Greenville, SC (US);
Fang Zhu, Greer, SC (US);
Terence Wallace, Fountain Inn, SC (US);
Compagnie Generale Des Etablissements Michellin, Clermont-Ferrand, FR;
Abstract
A heavy truck tire tread is provided that has at least four longitudinal grooves, at least four longitudinal grooves comprising two open grooves and at least two partially hidden grooves. The longitudinal grooves defining two shoulder ribs, two intermediate ribs and at least one center rib, wherein the shape, size and position of the grooves are for any section of tread of any given section length L between 12 to 40 mm, the percentage difference in rubber mass of a rib section compared to a respective neighboring rib section of the same section length L in the same rib is less than a maximum percentage difference, wherein