ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,248, issued on May 20, was assigned to SUMITOMO RUBBER INDUSTRIES LTD. (Kobe, Japan).
"Retread tire" was invented by Renya Okawara (Kobe, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A retread tire includes a base tire, and a recapped tread adhered to the base tire. The recapped tread includes a first tread edge, and a first buttress surface extending inwardly from the first tread edge in the tire radial direction. The first buttress surface is provided with a plurality of dimples. Each of the plurality of dimples has a maximum diameter in a range from 2 to 5 mm and a maximum depth in a range from 1 to 3 mm."
The patent was filed on Oct. 12...