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.

Date of Patent:
Nov. 11, 1997

Filed:

Feb. 21, 1995
Applicant:
Inventors:

Philip Stuart Hammond, Mogadore, OH (US);

Thomas Reed Oare, Suffield, OH (US);

Gary Edwin Tubb, Copley, OH (US);

William Marcellus Buckler, Jr, North Canton, OH (US);

Robert Allen Losey, Kent, OH (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C / ; B60C / ; B60C / ; B60C / ;
U.S. Cl.
CPC ...
1522 / ; 1522 / ; 152454 ; 152517 ; 152531 ; 152538 ; 152540 ; 152546 ;
Abstract

A run-flat radial ply pneumatic tire 10 has a carcass structure reinforced with pairs of elastomeric sidewall fillers 42,46,48 and at least three bead cores 26,26' and 37. At least one bead core 37 lies axially between the lateral edges of the tread 12 and extends radially inwardly of the tread 12 and reinforcing belts 36 and radially outwardly of the first and second bead cores 26,26' and a carcass reinforcing structure 30. In several embodiments improved wet traction tread designs are employed.


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