Drill head

Details for Australian Patent Application No. 2004203215 (hide)

Owner Hilti Aktiengesellschaft

Inventors Leibhard, Erich; Ludwig, Wolfgang; Gienau, Roland

Agent Shelston IP

Pub. Number AU-A-2004203215

Priority 10334610.4 29.07.03 DE

Filing date 15 July 2004

Wipo publication date 17 February 2005

Acceptance publication date 8 January 2009

International Classifications

E21B 010/60 Drilling tools

Event Publications

29 July 2004 Complete Application Filed

  Priority application(s): 10334610.4 29.07.03 DE

17 February 2005 Application Open to Public Inspection

  Published as AU-A-2004203215

8 January 2009 Application Accepted

  Published as AU-A-2004203215

7 May 2009 Standard Patent Sealed

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