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. 19, 2000
Filed:
Oct. 06, 1998
Applicant:
Inventor:
Tetsuhito Tsukagoshi, Iruma, JP;
Assignee:
Bridgestone Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B60C / ; B60C / ;
U.S. Cl.
CPC ...
15220919 ; 15220921 ;
Abstract
A heavy duty pneumatic tire comprises a tread provided with plural circumferential grooves, land portions defined by these circumferential grooves, and a groove fence portion formed in the circumferential groove so as to extend in a direction blocking the circumferential groove, in which the groove fence portion comprises at least two protrusions extending from a groove wall and/or groove bottom of the circumferential groove, and has given spaces between the protrusions in widthwise and circumferential directions of the tire.