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. 22, 2000
Filed:
Jul. 21, 1997
Applicant:
Inventors:
Ravi Shahani, Moirans, FR;
Jean-Francois Verdier, Issoire, FR;
Phlilippe Lassince, Issoire, FR;
Guy-Michel Raynaud, Issoire, FR;
Christophe Sigli, Grenoble, FR;
Pierre Sainfort, Grenoble, FR;
Assignee:
Pechiney Rhenalu, Courbevoie, FR;
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
148417 ; 420532 ; 420541 ;
Abstract
A rolled, forged or extruded AlZnMgCu alloy product, used to manufacture structural elements for aircraft, particularly wing spars. The product is greater than 60 mm thick, and has a composition (% by weight):