Gas displacement pump and method of pumping liquid

Details for Australian Patent Application No. 2009273751 (hide)

Owner Airwell Oil & Gas Pty Ltd

Inventors Brown, Alan Keith

Agent Griffith Hack

Pub. Number AU-A-2009273751

PCT Pub. Number WO2010/009496

Priority 2008903739 21.07.08 AU

Filing date 20 July 2009

Wipo publication date 28 January 2010

International Classifications

F04F 1/06 (2006.01) Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped

F04F 1/08 (2006.01) Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped

Event Publications

10 February 2011 PCT application entered the National Phase

  PCT publication WO2010/009496 Priority application(s): WO2010/009496

17 May 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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