The electric pump jack

Details for Australian Patent Application No. 2003100164 (hide)

Owner Clark, K. Crook, B.

Inventors Crook, Brett; Clark, Kevin W

Agent Kevin Wilson Clark

Pub. Number AU-A-2003100164

Filing date 5 March 2003

Opi date 10 July 2003

International Classifications

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

F04B 009/04 Piston machines or pumps characterised by the driving or driven means to or from their working members

Event Publications

20 March 2003 Innovation Patent Application Filed

10 July 2003 Innovation Patent Open to Public Inspection

  Published as AU-A-2003100164

10 July 2003 Innovation Patent Sealed

12 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 101C(b)/Section 143A(c)/Reg. 9A.4. Examination has been requested or report issued for this patent. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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