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. 31, 1978
Filed:
Sep. 08, 1975
Applicant:
Inventors:
Gerhard Lange, Berlin, DE;
Gerhard Peche, Berlin, DE;
Assignee:
Siemens Aktiengesellschaft, Berlin & Munich, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313 54 ; 313217 ;
Abstract
A gas-discharge tube especially adapted for use as an over-voltage arrestor containing a radioactive material for pre-ionizing the gas filling is provided in which a radioactive material is applied to at least a portion of the surface of a pair of spaced electrodes located in the tube.