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:
Mar. 15, 2005
Filed:
Jan. 06, 2003
Hong-hsiang Kuo, Troy, MI (US);
Yar-ming Wang, Troy, MI (US);
Sheila Farrokhalaee Kia, Bloomfield Hills, MI (US);
Hong-Hsiang Kuo, Troy, MI (US);
Yar-Ming Wang, Troy, MI (US);
Sheila Farrokhalaee Kia, Bloomfield Hills, MI (US);
General Motors Corporation, Detroit, MI (US);
Abstract
An anodized aluminum alloy comprises an aluminum alloy comprising magnesium in an amount greater than 3 weight percent based on the total weight of the aluminum alloy; and a clear porous oxide layer having a thickness greater than about 5 micrometers disposed on and into a surface of the aluminum alloy, wherein the anodized aluminum alloy has a surface gloss value greater than about 40 gloss units as measured on a gloss meter at dual illumination angles of 60° and 85°.