LIQUID LEVEL MEASUREMENT

Details for Australian Patent Application No. 2003227948 (hide)

Owner BUTLER, Arthur, Robert

Inventors BUTLER, Arthur, Robert

Pub. Number AU-A-2003227948

PCT Number PCT/GB03/02133

PCT Pub. Number WO2003/100217

Priority 0212102.8 25.05.02 GB

Filing date 19 May 2003

Wipo publication date 12 December 2003

International Classifications

E21B 047/04 Survey of boreholes or wells - Measuring depth or liquid level

G01F 023/68 Level indicators

Event Publications

14 August 2003 Complete Application Filed

  Priority application(s): 0212102.8 25.05.02 GB

5 February 2004 Application Open to Public Inspection

  Published as AU-A-2003227948

10 February 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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