Extendable and retractable rotor arm assembly

Details for Australian Patent Application No. 2002218780 (hide)

Owner Sandvik Intellectual Property AB

Inventors Lebegue, Maurice K.

Agent Griffith Hack

Pub. Number AU-B-2002218780

PCT Pub. Number WO02/04786

Priority 09/612912 10.07.00 US

Filing date 25 June 2001

Wipo publication date 21 January 2002

Acceptance publication date 21 December 2006

International Classifications

E21C 27/12 (2006.01) Machines which completely free the mineral from the seam

Event Publications

8 January 2004 Assignment before Grant

  Eimco LLC The application has been assigned to Sandvic AB

19 February 2004 Corrigenda

  Assignments Before Grant, Section 113 - 2002 Under the name Eimco LLC, Application No. 2002218780, correct the name of the assignee to read Sandvik AB.

30 June 2005 Assignment before Grant

  Sandvik AB The application has been assigned to Sandvik Intellectual Property HB

2 February 2006 Assignment before Grant

  Sandvik Intellectual Property HB The application has been assigned to Sandvik Intellectual Property AB

21 December 2006 Application Accepted

  Published as AU-B-2002218780

19 April 2007 Standard Patent Sealed

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