Sewage treatment method and plant

Details for Australian Patent Application No. 2003248012 (hide)

Owner Graham, A.

Inventors Graham, Alan Arthur

Agent Baldwin Shelston Waters

Pub. Number AU-A-2003248012

Priority NZ521400 16.09.02 NZ

Filing date 16 September 2003

Wipo publication date 1 April 2004

International Classifications

C02F 003/04 Biological treatment of water, waste water, or sewage - using trickle filters

C02F 003/02 Biological treatment of water, waste water, or sewage - Aerobic processes

Event Publications

9 October 2003 Complete Application Filed

  Priority application(s): NZ521400 16.09.02 NZ

1 April 2004 Application Open to Public Inspection

  Published as AU-A-2003248012

24 May 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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