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:
Dec. 31, 1991
Filed:
Dec. 26, 1989
Roberto J Rioja, Lower Burrell, PA (US);
R Steve James, Gibsonia, PA (US);
Aluminum Company of America, Pittsburgh, PA (US);
Abstract
A method of providing a lithium containing aluminum base alloy product having, in combination, enhanced strength and fracture toughness characteristics is disclosed. The method comprises providing a worked and solution heat treated body of a lithium containing aluminum base alloy product and subjecting the product to first stage aging in a temperature range of 250.degree. to 415.degree. F. Further, the method comprises subjecting the worked body to a second stage aging in a temperature range of 100.degree. to 330.degree. F. for a time sufficient to provide the enhanced strength and fracture toughness.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile