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. 25, 1983
Filed:
Aug. 24, 1981
Applicant:
Inventors:
Amitava Datta, Madison, NJ (US);
Carl P Stroble, Natrona Heights, PA (US);
Assignee:
Allegheny Ludlum Steel Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
148111 ; 148113 ;
Abstract
A method for improving the magnetic permeability and core loss of grain oriented silicon steel; the improvement in these magnetic properties is achieved by conducting annealing prior to cold rolling at a temperature above the temperature at which transformation to austenite occurs and thereafter quenching said steel.