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:
Apr. 10, 1984
Filed:
Aug. 10, 1981
Applicant:
Inventors:
Friedrich Pfeifer, Bruchkoebel, DE;
Willi Kessler, Linsengericht, DE;
Assignee:
Vacuumschmelze GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
148121 ; 148 3155 ;
Abstract
In order to improve the temperature constancy of induction boost in a standard working temperature range for fault current safety switches, a Ni-Mo-Cu-Fe alloy is provided whose nickel and copper content in a binary nickel-copper system is defined by a quadrangle of points A (80.5 wt. % Ni and 0 wt. % Cu), B (82 wt. % Ni and 0 wt. % Cu), C (70 wt. % Ni and 16.5 wt. % Cu) and D (70 wt. % Ni and 14.4 wt. % Cu) and whose molybdenum content, z, in wt. % satisfies the relation:
Quick Actions:
Pfeifer, Friedrich. (1984). Method for producing toroidal tape cores for fault current safety (U.S. Patent No. 4441940). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4441940
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