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. 03, 1989
Filed:
Feb. 01, 1988
Applicant:
Inventors:
Darrell F Smith, Jr, Huntington, WV (US);
Louis G Coffee, Ceredo, WV (US);
Assignee:
Inco Alloys International, Inc., Huntington, WV (US);
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
420 96 ; 148328 ; 148336 ;
Abstract
The present invention is directed to maraging steels, and particularly to a maraging steel of the cobalt-free type possessing such a combination of strength and fracture toughness that it is suitable for use in respect of demanding applications requiring product forms of very substantial section size.