BIT ASSEMBLY FOR A HAMMERING DRILL

Details for Australian Patent Application No. 2003282144 (hide)

Owner PAASONEN, Hannu HULKKONEN, Teijo

Inventors PAASONEN, Hannu; HULKKONEN, Teijo

Pub. Number AU-A-2003282144

PCT Number PCT/FI2003/0008

PCT Pub. Number WO2004/046496

Priority 20022043 18.11.02 FI

Filing date 18 November 2003

Wipo publication date 15 June 2004

International Classifications

E21B 007/20 Special methods or apparatus for drilling - Driving or forcing casings or pipes into boreholes, e.g. sinking

E21B 010/64 Drilling tools

Event Publications

25 March 2004 Complete Application Filed

  Priority application(s): 20022043 18.11.02 FI

15 July 2004 Application Open to Public Inspection

  Published as AU-A-2003282144

4 August 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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