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:
Nov. 21, 1989
Filed:
Feb. 18, 1988
Applicant:
Inventors:
Vijay K Chandhok, Pittsburgh, PA (US);
Bao-Min Ma, Pittsburgh, PA (US);
Assignee:
Crucible Materials Corporation, Pittsburgh, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
148101 ; 148104 ; 419 12 ; 419 41 ; 419 67 ; 722531 ; 72700 ;
Abstract
A method for producing a fully dense permanent magnet article by placing a particle charge of the desired permanent magnet alloy in a container, sealing the container, heating the container and charge and extruding to achieve a magnet having mechanical anisotropic crystal alignment and full density.