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. 14, 1988
Filed:
May. 06, 1987
Applicant:
Inventor:
John K Shannon, Racine, WI (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
420477 ; 420490 ;
Abstract
Connectors which are essentially, by weight, 85% to 93% copper, with silicon in the amount of 1.5% to 2.5% is disclosed. The balance of the material is zinc, desirably in the range of 5% to 12%. Trace elements of tin, lead and aluminum can be tolerated but should be minimized to less than 0.05%. Ideally the material is 81% to 91% copper, 1.75% to 2.4% silicon and the balance zinc of 6% to 10%. The traces may be 0.05% tin, 0.01% lead, and 0.005% aluminum.