Method and device for releasing a block on a bore-crown during a boring process

Details for Australian Patent Application No. 2006281954 (hide)

Owner Alwag Tunnelausbau Gesellschaft M.B.H.

Inventors Mocivnik, Josef

Agent Pizzeys

Pub. Number AU-B-2006281954

PCT Pub. Number WO2007/019594

Priority A 1386/2005 19.08.05 AT

Filing date 11 August 2006

Wipo publication date 22 February 2007

Acceptance publication date 4 August 2011

International Classifications

E21B 17/07 (2006.01) Drilling rods or pipes

E21B 31/00 (2006.01) Fishing for or freeing objects in boreholes or wells

Event Publications

28 February 2008 PCT application entered the National Phase

  PCT publication WO2007/019594 Priority application(s): WO2007/019594

4 August 2011 Application Accepted

  Published as AU-B-2006281954

22 September 2011 Application for Amendment

  The nature of the amendment is: Amend applicant name from Alwag Tunnelausbau Gesellschaft M.B.H. to "ALWAG" Tunnelausbau Gesellschaft m.b.H.. Address for service in Australia - Pizzeys Level 2, Woden Plaza Offices Woden Town Square Woden Canberra ACT 2606

19 January 2012 Alteration of Name

  The name of the applicant has been altered to "ALWAG" Tunnelausbau Gesellschaft m.b.H.

19 January 2012 Standard Patent Sealed

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