SEWAGE CLARIFICATION DEVICE FOR A CLARIFICATION TANK

Details for Australian Patent Application No. 2002257558 (hide)

Owner OTT GMBH

Inventors OTT, Wilfried; VON CONSBRUCH, Hans-Christian

Pub. Number AU-A-2002257558

PCT Pub. Number WO2002/102720

Priority 101 28 914.6 15.06.01 DE

Filing date 10 April 2002

Wipo publication date 2 January 2003

International Classifications

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

B01F 003/04 Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed - gases or vapours with liquids

B01D 029/15 Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor

Event Publications

15 May 2003 Application Open to Public Inspection

  Published as AU-A-2002257558

11 March 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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