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:
Jul. 21, 1981
Filed:
Jun. 03, 1980
Applicant:
Inventor:
Emil Elsner, Baden-Baden, DE;
Assignee:
Korf-Stahl AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21B / ; H05B / ;
U.S. Cl.
CPC ...
266193 ; 13 / ;
Abstract
An electric metallurgical furnace in which at least one row of the bricks that adjoin the annular flange the outer edge is displaced outwardly with respect to that of the bricks and the rows adjoining the annular flange are pressed by the flange on to the rows below.
Elsner, Emil. (1981). Metallurgical furnace in particular an electric arc furnace (U.S. Patent No. 4279407). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4279407
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile