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:
Jan. 09, 1990
Filed:
Feb. 06, 1989
Applicant:
Inventors:
Reinhold Gradl, Ruckersdorf, DE;
Klaus Popp, Nuremberg, DE;
Assignee:
Hoechst CeramTec Aktiengesellschaft, Selb, DE;
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
445 44 ; 228124 ; 4273835 ;
Abstract
Cylindrical tubes of translucent alumina ceramic, which have metallic current bushings at the ends, are sealed vacuum-tight. For this purpose, a metallizing paste which contains
Gradl, Reinhold. (1990). Process for vacuum-tight sealing of a ceramic tube (U.S. Patent No. 4892498). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4892498
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile