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:
Jan. 12, 1999
Filed:
Jun. 12, 1997
Applicant:
Inventors:
William E Ott, Rockford, IL (US);
Reginal A Pete, Caledonia, IL (US);
Laxmi C Tandon, Rockford, IL (US);
Assignee:
Gunite Corporation, Rockford, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ; C22C / ;
U.S. Cl.
CPC ...
148321 ; 420 13 ; 420 15 ; 420 16 ; 420 17 ;
Abstract
A metal alloy, structures made from the same, and methods of making the same, especially brake drums containing at least about 50% by weight of a ferritic matrix, up to 50% by weight of pearlitic iron, graphite including at least 10% by weight of nodular graphite, compacted graphite and no more than 20% by weight of flake graphite, and less than about 2.10% by weight of silicon.