A reversible, percussive, ram-boring machine

Details for Australian Patent Application No. 2007215377 (hide)

Owner R D Sankey Engineering Limited

Inventors Taylor, Mark; Lievesley, Neil; Burke, Ian; Schultz, Lindsay

Agent Cullen & Co

Pub. Number AU-A-2007215377

PCT Pub. Number WO2007/092993

Priority 2006900720 14.02.06 AU

Filing date 14 February 2007

Wipo publication date 23 August 2007

International Classifications

E21B 11/02 (2006.01) Other drilling tools

Event Publications

9 October 2008 PCT application entered the National Phase

  PCT publication WO2007/092993 Priority application(s): WO2007/092993

2 December 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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