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:
Feb. 28, 1989
Filed:
Oct. 10, 1986
Applicant:
Inventors:
Malcolm W Ozelton, Torrance, CA (US);
James W Bohlen, Fountain Valley, CA (US);
Gregory V Scarich, Hermosa Beach, CA (US);
James J Scuttl, Rancho Palos Verdes, CA (US);
Stephan W Averill, Redondo Beach, CA (US);
Assignee:
Northrop Corporation, Hawthorne, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
148 / ; 148439 ;
Abstract
A method is disclosed for preparing an improved aluminum alloy plate product wherein the plate produced from an Al-Li-Cu-Mg alloy in the T351 condition is subjected to a thermal aging treatment wherein the plate is exposed to a temperature of about 170.degree. C..+-.2.degree. C. for about 32 hours .+-.0.5 hours.