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:
Jan. 08, 2013
Filed:
Jun. 08, 2009
Applicants:
Clark Vantine Cooper, Glastonbury, CT (US);
Krassimir G. Marchev, Sudbury, MA (US);
Bill C. Giessen, Cambridge, MA (US);
Inventors:
Clark VanTine Cooper, Glastonbury, CT (US);
Krassimir G. Marchev, Sudbury, MA (US);
Bill C. Giessen, Cambridge, MA (US);
Assignee:
Sikorsky Aircraft Corporation, Stratford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 8/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A nitrided metal includes a metal core with a first microstructure and a nitrogen-containing solid solution region on the metal core. The nitrogen-containing solid solution region is free of nitride compounds and includes a second microstructure which is equivalent to the first microstructure. The first microstructure and the second microstructure are a tetragonal crystal structure.