Gas discharge tube

Electric lamp and discharge devices – With gas or vapor

Reexamination Certificate

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Reexamination Certificate

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07932673

ABSTRACT:
A new gas discharge tube comprising at least two electrodes and at least one hollow insulator ring fastened to at least one of the electrodes, wherein the insulating ring has an extended length for a creeping current on at least one of the surfaces inside and/or outside compared to its height thereby providing a long distance to any possible creeping current.

REFERENCES:
patent: 2050397 (1936-08-01), Torok
patent: 2103159 (1937-12-01), Kingdon
patent: 4407849 (1983-10-01), Haas et al.
patent: 4437845 (1984-03-01), Schleimann-Jensen
patent: 4672259 (1987-06-01), Riggins et al.
patent: 5103135 (1992-04-01), Lange et al.
patent: 5491381 (1996-02-01), Idei et al.
patent: 6655986 (2003-12-01), Kroll
patent: 7053536 (2006-05-01), Boman et al.
patent: 1149444 (2006-03-01), None
patent: WO 0039901 (2000-07-01), None

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