Method for pillar recovery in chamberand-pillar working and tubbing unit for pillar recovery

Details for Australian Patent Application No. 2006203671 (hide)

Owner DBT GmbH

Inventors Schuster, Reiner; Gross, Peter

Agent Spruson & Ferguson

Pub. Number AU-B-2006203671

Priority 10 2005 040 272.0 24.08.05 DE

Filing date 24 August 2006

Wipo publication date 15 March 2007

Acceptance publication date 24 March 2011

International Classifications

E21C 41/18 (2006.01) Methods of mining or quarrying

E21C 41/20 (2006.01) Methods of mining or quarrying

E21D 23/04 (2006.01) Mine roof supports for step-by-step movement, e.g. in combination with provisions for shifting of conveyers, mining machines, or guides therefor

Event Publications

7 September 2006 Complete Application Filed

  Priority application(s): 10 2005 040 272.0 24.08.05 DE

15 March 2007 Application Open to Public Inspection

  Published as AU-B-2006203671

24 March 2011 Application Accepted

  Published as AU-B-2006203671

16 June 2011 Alteration of Name

  The name of the applicant has been altered to Bucyrus Europe GmbH

21 July 2011 Standard Patent Sealed

2 August 2012 Application for Amendment

  The nature of the amendment is: Amend the patentee from Bucyrus Europe GmbH to Caterpillar Global Mining Europe GmbH . Address for service in Australia - Spruson & Ferguson Level 35 St Martins Tower 31 Market Street Sydney NSW 2000

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