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. 17, 1987
Filed:
Aug. 23, 1985
Applicant:
Inventor:
Tommy Fredriksson, Hallstahammar, SE;
Assignee:
Kanthal AB, Hallstahammar, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
29611 ; 29613 ; 29415 ;
Abstract
Method of manufacturing two loop-formed metal foil elements (1,2) intended to serve as electrical resistance heating elements. Starting from a unitary metal foil, possibly enclosed by plastic foils, at least two complementarily extending loop elements, one inside the other.