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:
Sep. 17, 1991
Filed:
Oct. 26, 1990
Applicant:
Inventors:
Yuichi Saito, Hyogo, JP;
Shuichi Sakamoto, Hyogo, JP;
Naohiko Kikuchi, Hyogo, JP;
Takao Wada, Hyogo, JP;
Mamoru Uchida, Hyogo, JP;
Kiyoshige Muraoka, Hyogo, JP;
Assignee:
Sumitomo Rubber Industries, Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C / ; C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
524 13 ; 524 16 ; 1522 / ; 152210 ; 152211 ;
Abstract
A rubber composition comprising a cellulosic material containing-processed powder product and rubber components and a studless tire having a tread portion that contains said rubber composition which is improved in the performance of travelling over snow and ice is disclosed.