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. 21, 2003
Filed:
Nov. 25, 2002
Applicant:
Inventors:
Charles J. Kuehmann, Deerfield, IL (US);
Gregory B. Olson, Riverwoods, IL (US);
John P. Wise, Boulder, CO (US);
Carelyn Campbell, Gaithersburg, MD (US);
Assignee:
Northwestern University, Evanston, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 3/810 ; C22C 3/808 ; C22C 3/830 ;
U.S. Cl.
CPC ...
C22C 3/810 ; C22C 3/808 ; C22C 3/830 ;
Abstract
Steel alloys susceptible to case and core hardening comprising 0.05 to 0.24 weight percent carbon; 15 to 28 weight percent cobalt and 1.5 to 9.5 weight percent in nickel, small percentages of one or more additives: chromium, molybdenum, and vanadium; and the balance iron.