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:
Nov. 12, 1985
Filed:
Sep. 09, 1983
Applicant:
Inventors:
Assignee:
G. Rau GmbH & Co., Pforzheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47B / ;
U.S. Cl.
CPC ...
313325 ; 313311 ; 313355 ; 313329 ; 361120 ;
Abstract
An electrode is made of a metallic composite material including a matrix with embedded tubes having high burn-off resistance. A filler material, which differs from the material of the matrix and tubes, is used as a core material for the tubes. Such filler material promotes the emission of electrons from the electrode surface.