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:
Jun. 06, 1995
Filed:
Sep. 03, 1993
Applicant:
Inventors:
William T Nachtrab, Maynard, MA (US);
Nancy F Levoy, Acton, MA (US);
Kevin R Raftery, Boxborough, MA (US);
Assignee:
Nuclear Metals, Inc., Concord, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
148400 ; 148405 ; 420401 ;
Abstract
A light weight, high strength ternary or higher-order cast beryllium-aluminum alloy, including approximately 60 to 70 weight % beryllium, one or both of from approximately 0.5 to 4 weight % silicon and from 0.2 to 4.25 weight % silver, with the balance aluminum. Beryllium strengthening elements selected from the group consisting of copper, nickel, or cobalt may be present at from 0.1 to 0.75 weight % of the alloy to increase the alloy strength.