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:
May. 08, 1990
Filed:
Aug. 21, 1989
Applicant:
Inventor:
Michel Cantagrel, Houilles, FR;
Assignee:
Compagnie Industrielle de Tubes et Lampes Electriques Citel, Issy-Les-Moulineaux, FR;
Primary Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
361120 ; 31323111 ; 313643 ;
Abstract
The device relates to a gas lightning arrester comprising a tight enclosure and at least two electrodes (2a, 2b). In the enclosure is placed a powdery mineral addition agent. This addition agent is a mixture of elementary or mixed metal oxides globally corresponding to the general formula Al X.sub.a Y.sub.b O.sub.c, in which formula X and Y respectively represent at least one alkaline or alkaline-earth metal, a is between 0.02 and 1.5, b is between 0 and 0.25 and c has the necessary value to comply with the valency rules. Can be used for the protection of the telephone lines.