Hydraulic shield support

Details for Australian Patent Application No. 2004202506 (hide)

Owner DBT GmbH

Inventors Dettmers, Michael; Suilmann, FranzHeinrich; Reinelt, Werner; Dannehl, Friedrich

Agent Pizzeys

Pub. Number AU-A-2004202506

Priority 103 28 286.6 23.06.03 DE

Filing date 9 June 2004

Wipo publication date 13 January 2005

Acceptance publication date 16 July 2009

International Classifications

E21D 023/16 Mine roof supports for step-by-step movement, e.g. in combination with provisions for shifting of conveyers, mining machines, or guides therefor

E21D 023/04 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

24 June 2004 Complete Application Filed

  Priority application(s): 103 28 286.6 23.06.03 DE

13 January 2005 Application Open to Public Inspection

  Published as AU-A-2004202506

23 April 2009 Alteration of Name

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

16 July 2009 Application Accepted

  Published as AU-A-2004202506

12 November 2009 Standard Patent Sealed

2 August 2012 Application for Amendment

  The nature of the amendment is: Amend the patentee from Bucyrus DBT Europe GmbH to Caterpillar Global Mining Europe GmbH . Address for service in Australia - Pizzeys Patent and Trade Mark Attorneys Level 20 324 Queen Street Brisbane QLD 4000

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