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:
Apr. 24, 2007
Filed:
Oct. 26, 2004
Applicants:
Joseph J. Parkos, Jr., East Haddam, CT (US);
Gary M. Lomasney, Glastonbury, CT (US);
Joshua E. Persky, Carbondale, CO (US);
Inventors:
Joseph J. Parkos, Jr., East Haddam, CT (US);
Gary M. Lomasney, Glastonbury, CT (US);
Joshua E. Persky, Carbondale, CO (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C 9/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A substrate is coated by applying an essentially pure aluminum first layer to a surface of the substrate. At least a first portion of the first layer is oxidized so as to provide a protective coating of desired properties. The substrate may be a refractory metal-based investment casting core.