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.

Date of Patent:
Jul. 11, 2023

Filed:

Sep. 22, 2020
Applicant:

The Goodyear Tire & Rubber Company, Akron, OH (US);

Inventors:

Ettore Passante Spaccapietra, Ettelbruck, LU;

Philippe Joseph Auguste Muller, Champlon, BE;

Marco Nicolò Coccon, Luxembourg Ville, LU;

Lionel Jean-Marie Bortolet, Longwy, FR;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60C 11/03 (2006.01);
U.S. Cl.
CPC ...
B60C 11/0327 (2013.01); B60C 11/0323 (2013.01); B60C 2011/0334 (2013.01); B60C 2011/0341 (2013.01);
Abstract

A tread for a tire includes a first circumferential main groove, a second circumferential main groove, a third circumferential main groove, and a fourth circumferential main groove. The fourth main groove has a stabilizing structure for increasing tread stiffness. The stabilizing structure has a circumferentially extending subgroove in a radially innermost bottom of the fourth circumferential main groove. The subgroove is axially offset a predetermined amount from a centerline of the fourth circumferential main groove.


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