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:
Feb. 09, 1988
Filed:
May. 14, 1986
Applicant:
Inventors:
Kojiro Yamaguchi, Tokorozawa, JP;
Makoto Yamauchi, Sayama, JP;
Assignee:
Bridgestone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C / ;
U.S. Cl.
CPC ...
1522 / ; 152D / ;
Abstract
A pneumatic tire having excellent traction and braking performances is disclosed, which comprises a tread divided into island portions inclusive of at least one block row group by plural circumferential grooves and plural transverse grooves, and having plural sipes. In this type of the tire, the sipe is provided at its cut end with an escape hole having a size larger than that of the sipe.