ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,233,668, issued on Feb. 25, was assigned to Compagnie Generale des Etablissements Michelin (Clermont-Ferrand, France).
"Truck tire with circumferential sipe having blind micro sipes" was invented by Stefan Voss (Greer, S.C.) and Robert Ciprian Radulescu (Greenville, S.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A heavy truck tire tread is provided that has a rolling direction that is in a longitudinal direction of the tread. A circumferential sipe (20) is present and extends in the longitudinal direction completely around the tread. The circumferential sipe does not bound a sacrificial rib. A plurality of micro sipes (22) engage the circumferentia...