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. 16, 1999
Filed:
Jul. 11, 1997
Applicant:
Inventors:
Douglas J Waldron, Fountain Valley, CA (US);
William F Bozich, Huntington Beach, CA (US);
Assignee:
McDonnell Douglas Corporation, Hazelwood, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D / ;
U.S. Cl.
CPC ...
148693 ; 148697 ;
Abstract
Aluminum/lithium alloys displaying excellent weldability while also exhibiting isotropic physical properties is produced by including greater than 0.25 weight percent scandium and processing by a combination of low temperature hot working, recrystallization, optional cold working, and artificial aging. The alloy materials are particularly useful as aircraft and spacecraft components such as fuel tanks.
Waldron, Douglas. (1999). Process for preparing aluminum/lithium/scandium rolled sheet products (U.S. Patent No. 5882449). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5882449
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile