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:
Dec. 25, 1979
Filed:
Oct. 12, 1977
Applicant:
Inventors:
Erwin Schumann, Bruchkobel, DE;
Oskar Bohlander, Grosskrotzenburg, DE;
Assignee:
Deutsche Gold- and Silber-Scheideanstalt Vormals Roessler, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
13 25 ;
Abstract
There is provided a vacuum furnace with graphite heating consisting essentially of the furnace body and heating elements wherein the heating elements are made of flexible thin graphite sheets having a thickness of 0.5-3 mm.