A method of biologically purifying waste water and a plant preferably a mini purification plant to be used by the method

Details for Australian Patent Application No. 2002361724 (hide)

International Classifications

Event Publications

10 April 2003 Complete Application Filed

Priority application(s): PA 2001 01569 25.10.01 DK; PA 2001 01292 03.09.01 DK; PA 2001 01463 05.10.01 DK

5 June 2003 Application Open to Public Inspection

Published as AU-B-2002361724

20 September 2007 Assignment before Grant

Kongsted Maskinfabrik 2003 ApS The application has been assigned to KWH Pipe (Danmark) AS

14 February 2008 Application Accepted

Published as AU-B-2002361724

12 June 2008 Standard Patent Sealed

26 March 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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