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. 10, 1991
Filed:
Apr. 14, 1989
Vijay K Chandhok, Pittsburgh, PA (US);
Robert F Krause, Murrysville, PA (US);
Bao-Min Ma, Pittsburgh, PA (US);
John J DuPlessis, Elizabethtown, KY (US);
Crucible Materials Corporation, Pittsburgh, PA (US);
Abstract
A method for producing a compacted fully dense permanent magnet by providing a particle charge of a permanent magnet alloy composition from which the article is to be made and placing the charge in a cylindrical container having a generally axially positioned core with the charge surrounding the core within the container. The container and charge are heated to an elevated temperature and extruded to compact the charge to a substantially fully dense permanent magnet article.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile