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. 08, 1977
Filed:
Nov. 20, 1975
Applicant:
Inventor:
Peter Johannsen, Hannover, DT;
Assignee:
Continental Gummi-Werke Aktiengesellschaft, Hannover, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C / ;
U.S. Cl.
CPC ...
1522 / ;
Abstract
A pneumatic tire for motor vehicles having a circumferential tread surface with molded-in grooves extending in a direction transverse to the circumferential direction of the tire, in which the grooves extend from a central circumferential tread surface section of the tire toward both lateral tire sides while following the curvature of a parabola of a second order.