COLD-CATHODE IONISATION MANOMETER HAVING A LONGER SERVICE LIFE DUE TO TWO SEPARATE CATHODES

Details for Australian Patent Application No. 2003271538 (hide)

Owner OTTOVON-GUERICKE-UNIVERSITAT MAGDEBURG

Inventors EDELMANN, Christian; WILFERT, Stefan

Pub. Number AU-A-2003271538

PCT Number PCT/DE03/03107

PCT Pub. Number WO2004/029572

Priority 102 43 634.7 19.09.02 DE

Filing date 17 September 2003

Wipo publication date 19 April 2004

International Classifications

G01L 021/34 Vacuum gauges

H01J 041/06 Discharge tubes and means integral therewith for measuring gas pressure

Event Publications

22 January 2004 Complete Application Filed

  Priority application(s): 102 43 634.7 19.09.02 DE

20 May 2004 Application Open to Public Inspection

  Published as AU-A-2003271538

30 June 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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