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:
Apr. 20, 1976
Filed:
Jul. 11, 1974
Applicant:
Inventor:
Robert W Yeager, Akron, OH (US);
Assignee:
The Goodyear Tire & Rubber Company, Akron, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60C / ;
U.S. Cl.
CPC ...
1522 / ;
Abstract
A tire having a tread with a wide center groove, which is specially configured and includes a series of diamond-shaped ledges disposed end-to-end along each side of the groove intermediate the open top and enclosed bottom of the groove. At least one slot is disposed in each ledge to enhance traction when the ribs become sufficiently worn that the ledges contact the roadway.