A ROCK DRILLING ARRANGEMENT

Details for Australian Patent Application No. 2003264571 (hide)

Owner WASSARA AB

Inventors EGERSTROM, Fredrik

Pub. Number AU-A-2003264571

PCT Number PCT/SE03/01433

PCT Pub. Number WO2004/061260

Priority 0203421-3 20.11.02 SE

Filing date 15 September 2003

Wipo publication date 29 July 2004

International Classifications

E21B 004/14 Drives for drilling, used in the borehole

E21B 021/10 Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

Event Publications

11 December 2003 Complete Application Filed

  Priority application(s): 0203421-3 20.11.02 SE

2 September 2004 Application Open to Public Inspection

  Published as AU-A-2003264571

4 August 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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