Drill bushing

Details for Australian Patent Application No. 2005296334 (hide)

Owner Atlas Copco Rock Drills AB

Inventors Ostling, Thomas

Agent Watermark

Pub. Number AU-B-2005296334

PCT Pub. Number WO2006/043878

Priority 0402563-1 22.10.04 SE

Filing date 14 October 2005

Wipo publication date 27 April 2006

Acceptance publication date 19 August 2010

International Classifications

E21B 6/00 (2006.01) Drives for drilling with combined rotary and percussive action

B25D 17/08 (2006.01) Details of, or accessories for, portable power-driven percussive tools

E21B 1/02 (2006.01) Methods or apparatus for drilling

E21B 3/04 (2006.01) Rotary drilling

Event Publications

17 May 2007 PCT application entered the National Phase

  PCT publication WO2006/043878 Priority application(s): WO2006/043878

19 August 2010 Application Accepted

  Published as AU-B-2005296334

16 December 2010 Standard Patent Sealed

10 May 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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