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:
Oct. 06, 1992
Filed:
Sep. 06, 1989
Applicant:
Inventor:
Preyer Helmut, Kurtscheid, DE;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C21B / ;
U.S. Cl.
CPC ...
266270 ; 266220 ;
Abstract
The invention concerns a gas plug for metallurgic smelting crucibles with a sheet-metal sheathing that comprises at least the gas connection side part of the outer surface and the bottom, with the exception of an area for connecting the gas supply means.