CONTINUOUSLY VARIABLE DISPLACEMENT PUMP WITH PREDEFINED UNSWEPT VOLUME

Details for Australian Patent Application No. 2003302699 (hide)

Owner HALLIBURTON ENERGY SERVICES, INC.

Inventors STEPHENSON, Stanley, V.; SURJAATMADJA, Jim, B.

Pub. Number AU-A-2003302699

PCT Number PCT/GB2003/0051

PCT Pub. Number WO2004/051087

Priority 10/313,388 05.12.02 US

Filing date 25 November 2003

Wipo publication date 23 June 2004

International Classifications

F04B 049/12 Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups - by varying the length of stroke of the working members

F04B 001/07 Pumps for liquids or for liquid and elastic fluids

Event Publications

22 July 2004 Complete Application Filed

  Priority application(s): 10/313,388 05.12.02 US

29 July 2004 Application Open to Public Inspection

  Published as AU-A-2003302699

22 September 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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