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:
Nov. 22, 1983
Filed:
Dec. 01, 1981
Applicant:
Inventor:
Renato Caretta, Gallarate, IT;
Assignee:
Societa' Pneumatici Pirelli S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60C / ; B60C / ;
U.S. Cl.
CPC ...
1522 / ; D121 / ;
Abstract
A pneumatic tire for a motor vehicle has a tread band having at least two longitudinal grooves which divide it into a plurality of circumferential ridges, and a series of circumferentially spaced axial grooves which divide the two outermost ridges into blocks. The edges of the inner ridges are provided with blind, oblique slits, all inclined in the same sense with respect to the circumferential direction of the tire. The slits are substantially parallel to one another and are preferably offset with respect to each other.