RADIO WAVE PULSE TRAIN NAVIGATION SYSTEMS

Details for Australian Patent Application No. 2002251411 (hide)

Owner MEGAPULSE INC.

Inventors PAUL, Johannessen

Pub. Number AU-A-2002251411

PCT Pub. Number WO2002/084320

Priority 09/833,022 11.04.01 US

Filing date 9 April 2002

Wipo publication date 28 October 2002

International Classifications

G01S 001/24 Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters

H04B 014/00 Transmission systems not characterised by the medium used for transmission

Event Publications

17 April 2003 Application Open to Public Inspection

  Published as AU-A-2002251411

19 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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