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:
Oct. 06, 2026
Filed:
Nov. 01, 2021
Sumitomo Rubber Industries, Ltd., Hyogo, JP;
Shuichiro Ono, Hyogo, JP;
SUMITOMO RUBBER INDUSTRIES, LTD., Hyogo, JP;
Abstract
A tire including a tread portion, the tread portion having at least one main groove continuously extending in the tire circumferential direction, the tread portion including a rubber having a hardness at 60° C. of 58 or higher and a hardness at 0° C. of not more than 115% of the hardness at 60° C., the tread portion having a S/Sratio of more than 1, wherein Sdenotes the sea proportion (%) in the tread ground contact surface of the new tire, and Sdenotes the sea proportion (%) when the tread portion is worn until the depth of the main groove reaches 50% of that of the new tire.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile