Drilling head

Details for Australian Patent Application No. 2007200717 (hide)

Owner Hilti Aktiengesellschaft

Inventors Heemann, Kay; Bayerl, Michael; Ludwig, Wolfgang

Agent Shelston IP

Pub. Number AU-A-2007200717

Priority 102006000085.4 21.02.06 DE

Filing date 19 February 2007

Wipo publication date 6 September 2007

International Classifications

E21B 10/42 (2006.01) Drilling tools

E21B 10/46 (2006.01) Drilling tools - characterised by wear resisting parts, e.g. diamond inserts

Event Publications

8 March 2007 Complete Application Filed

  Priority application(s): 102006000085.4 21.02.06 DE

6 September 2007 Application Open to Public Inspection

  Published as AU-A-2007200717

26 May 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(e). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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