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. 27, 1984
Filed:
Nov. 13, 1981
Applicant:
Inventor:
Raymond D Prengaman, Arlington, TX (US);
Assignee:
RSR Corporation, Dallas, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
420564 ; 420563 ; 420590 ;
Abstract
Calcium and aluminum are alloyed into lead by adding a eutectic calcium-aluminum alloy to molten lead preferably at a temperature of at least 1020.degree.. The eutectic alloy contains about 73% calcium and about 27% aluminum.