A wastewater treatment apparatus

Details for Australian Patent Application No. 2003259659 (hide)

Owner Quality Tanks (Qld) Pty Ltd

Inventors Gray, Kenneth

Agent Eagar & Buck

Pub. Number AU-B-2003259659

Filing date 5 November 2003

Wipo publication date 7 October 2004

Acceptance publication date 7 October 2004

International Classifications

C02F 003/20 Biological treatment of water, waste water, or sewage - using diffusers

C02F 003/26 Biological treatment of water, waste water, or sewage - using pure oxygen or oxygen-rich gas

C02F 009/04 Multistep treatment of water, waste water or sewage

C02F 009/02 Multistep treatment of water, waste water or sewage - involving a separation step

Event Publications

20 November 2003 Complete Application Filed

7 October 2004 Application Accepted

  Published as AU-B-2003259659

3 February 2005 Standard Patent Sealed

28 May 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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