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:
Feb. 25, 1992
Filed:
Jul. 15, 1991
Applicant:
Inventors:
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
313625 ; 313634 ;
Abstract
A gas discharge lamp having an accurate centering of electrodes. The gas discharge lamp has a gas-filled glass tube whereby the electrodes are inserted at end faces of the glass tube. Each electrode is melted into respectively a hollow-cylinder-type glass member residing inside an end of the glass tube. The outside end face of each glass member lies approximately flush with the corresponding end face of the glass tube and is coated, together with the end face of the glass tube, with a layer of glass solder.