An erectable arm assembly for use in boreholes

Details for Australian Patent Application No. 2004201696 (hide)

Owner Commonwealth Scientific and Industrial Research Organisation BHP Coal Pty Ltd The University of Queensland

Inventors Trueman, Robert; Meyer, Timothy Gregory Hamilton; Stockwell, Matthew

Agent Shelston IP

Pub. Number AU-B-2004201696

Parent 14703

Filing date 22 April 2004

Wipo publication date 20 May 2004

Acceptance publication date 26 June 2008

International Classifications

E21B 7/08 (2006.01) Special methods or apparatus for drilling

Event Publications

13 May 2004 Complete Application Filed

20 May 2004 Application Open to Public Inspection

  Published as AU-B-2004201696

26 June 2008 Application Accepted

  Published as AU-B-2004201696

23 October 2008 Standard Patent Sealed

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