HYDRAULIC AUTOMATIC BOOSTING PUMP

Details for Australian Patent Application No. 2003227162 (hide)

Owner LI, Hongmin

Inventors LI, Hongmin

Pub. Number AU-A-2003227162

PCT Number PCT/CN03/00192

PCT Pub. Number WO2003/078837

Priority 02 2 04123.0 18.03.02 CN

Filing date 17 March 2003

Wipo publication date 29 September 2003

International Classifications

F04B 047/02 Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps

E21B 007/18 Special methods or apparatus for drilling - Drilling by liquid or gas jets, with or without entrained pellets

Event Publications

7 August 2003 Complete Application Filed

  Priority application(s): 02 2 04123.0 18.03.02 CN

6 November 2003 Application Open to Public Inspection

  Published as AU-A-2003227162

23 December 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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