AN UNSYMMETRICAL-DIELECTRIC LOADED HELICAL STRUCTURE WITH NEGATIVE DISPERSION CHARACTERISTICS AND A WIDEBAND TRAVELLING-WAVE TUBE USING THE SAME

Details for Australian Patent Application No. 2002239144 (hide)

International Classifications

Event Publications

13 November 2003 Application Open to Public Inspection

Published as AU-A-2002239144

9 December 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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