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. 30, 2006
Filed:
Dec. 23, 1999
Applicants:
Mats Boman, Järlåsa, SE;
Jan-åke Nilsson, Sollentuna, SE;
Kjell Öhman, Bro, SE;
Johan Schleimann-jensen, Danderyd, SE;
Inventors:
Mats Boman, Järlåsa, SE;
Jan-Åke Nilsson, Sollentuna, SE;
Kjell Öhman, Bro, SE;
Johan Schleimann-Jensen, Danderyd, SE;
Assignee:
Jensen Devices AB, Sollentuna, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 17/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A new gas discharge tube with end electrodes having chemically inert surfaces is disclosed. As the surfaces are resistant to the build-up of layers, such as oxide layers, a discharge tube according to the invention exhibits higher selectivity and better performance (e.g. higher heat-resistance and longer life-cycle time) than prior art devices, simultaneously as it offers an environmentally acceptable solution.