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:
Oct. 18, 1988
Filed:
Jul. 09, 1984
Applicant:
Inventors:
Takashi Yamashita, Hiratsuka, JP;
Kazuyoshi Saneto, Hiratsuka, JP;
Assignee:
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B60C / ;
U.S. Cl.
CPC ...
1522 / ; 1522 / ;
Abstract
In a tire tread pattern in which a plurality of block patterns are disposed on a tire tread surface in the circumferential direction and their pitch lengths are varied, lug grooves inside of said block patterns extend in the direction of a grounding width, and their angles relative to the direction of grounding width are varied in accordance with the change of the pitch lengths of said block patterns.