Control System for a Percussion Drive

Details for Australian Patent Application No. 2002301130 (hide)

Owner Tracto-Technik GmbH

Inventors Puttmann, Franz-Joseph

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2002301130

Priority 10146023.6 18.09.01 DE

Filing date 17 September 2002

Wipo publication date 12 June 2003

Acceptance publication date 22 November 2007

International Classifications

E21B 44/08 (2006.01) Automatic control

E21B 1/36 (2006.01) Methods or apparatus for drilling

Event Publications

12 June 2003 Application Open to Public Inspection

  Published as AU-B-2002301130

22 November 2007 Application Accepted

  Published as AU-B-2002301130

20 March 2008 Standard Patent Sealed

12 April 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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