Patent · US Expired

Pneumatic tires having unidirectional tread pattern

US4962801A · kind A · utility

40Cited by
1References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 9, 1989
Grant dateOct 16, 1990
Priority date
Expiry dateFeb 9, 2009

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60C2200/14
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A pneumatic tire having a unidirectional tread pattern comprises a plurality of main slant grooves obliquely extending from an end of said tread toward a central portion of said tread and arranged at a given space in the circumferential direction of the tire, and at least two auxiliary slant grooves arranged in an island portion defined between two adjoining main slant grooves in the circumferential direction.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.