Continuous feed drilling system

Details for Australian Patent Application No. 2003204732 (hide)

Owner Boart Longyear Co.

Inventors Dycus, William V; Silay, Louis E

Agent FB Rice

Pub. Number AU-A-2003204732

Filing date 16 June 2003

Wipo publication date 6 January 2005

International Classifications

E21B 019/086 Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

E21B 019/08 Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

E21B 044/02 Automatic control

Event Publications

26 June 2003 Complete Application Filed

3 July 2003 Corrigenda

  Complete Applications Filed - Name Index Under the name Boart Longyear International Holdings Inc. Application No. 2003204732 under INID (71) correct the name to read Boart Longyear Co. Corrigenda

6 January 2005 Application Open to Public Inspection

  Published as AU-A-2003204732

6 July 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(e). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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