IMPROVEMENTS IN TRAVELLING WAVE AMPLIFIERS

Details for Australian Patent Application No. 2002247842 (hide)

Owner QINETIQ LIMITED

Inventors ZELLEY, Christoper, Andrew

Pub. Number AU-A-2002247842

PCT Pub. Number WO2002/078180

Priority 0107560.5 27.03.01 GB

Filing date 27 March 2002

Wipo publication date 8 October 2002

International Classifications

H03F 003/60 Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements - Amplifiers in which coupling networks have distributed constants, e.g. with waveguide resonators

Event Publications

27 March 2003 Application Open to Public Inspection

  Published as AU-A-2002247842

19 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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