WASH OUT PREVENTER

Details for Australian Patent Application No. 2003263678 (hide)

Owner EDVARDSEN, Per, Espen

Inventors EDVARDSEN, Per, Espen

Pub. Number AU-A-2003263678

PCT Number PCT/NO03/00284

PCT Pub. Number WO2004/018830

Priority 20023988 21.08.02 NO

Filing date 19 August 2003

Wipo publication date 11 March 2004

International Classifications

E21B 021/12 Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

E21B 017/18 Drilling rods or pipes

E21B 007/12 Special methods or apparatus for drilling - Underwater drilling

Event Publications

11 December 2003 Complete Application Filed

  Priority application(s): 20023988 21.08.02 NO

22 April 2004 Application Open to Public Inspection

  Published as AU-A-2003263678

9 June 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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