Lift cylinder arrangement

Details for Australian Patent Application No. 2004201864 (hide)

Owner DBT GmbH

Inventors Reinelt, Werner; Dannehl, Friedrich Wilhelm; Behnert, Holger

Agent Pizzeys

Pub. Number AU-A-2004201864

Priority 203 07 907.8 19.05.03 DE

Filing date 5 May 2004

Wipo publication date 9 December 2004

Acceptance publication date 26 June 2008

International Classifications

E21D 023/08 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

20 May 2004 Complete Application Filed

  Priority application(s): 203 07 907.8 19.05.03 DE

9 December 2004 Application Open to Public Inspection

  Published as AU-A-2004201864

26 June 2008 Application Accepted

  Published as AU-A-2004201864

23 October 2008 Standard Patent Sealed

2 August 2012 Application for Amendment

  The nature of the amendment is: Amend the patentee from DBT 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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