Household waste water screening & diversion method & apparatus capable of separating mostly polluted water from less polluted water using electrical conductivity as the screening method.

Details for Australian Patent Application No. 2008100542 (hide)

Owner Abeysingha Gunawardena, S. Guruge, A.

Inventors Guruge, Anusha Darshani; Gunawardena, Samantha Abeysingha

Agent Samantha Abeysingha Gunawardena

Pub. Number AU-A-2008100542

Priority 2007903534 01.07.07 AU

Filing date 15 June 2008

Opi date 10 July 2008

International Classifications

E03C 1/12 (2006.01) Domestic plumbing installations for fresh water or waste water - Plumbing installations for waste water

E03C 1/122 (2006.01) Domestic plumbing installations for fresh water or waste water - Pipe-line systems for waste water in buildings

G01N 33/18 (2006.01) Investigating or analysing materials by specific methods not covered by groups - Water

G01R 27/22 (2006.01) Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom - Measuring resistance of fluids

Event Publications

26 June 2008 Innovation Patent Application Filed

  Priority application(s): 2007903534 01.07.07 AU

10 July 2008 Innovation Patent Open to Public Inspection

  Published as AU-A-2008100542

10 July 2008 Innovation Patent Sealed

24 July 2008 Amendment Made

  The nature of the amendment is: Amend the name of the co-inventor from Gunawardena, Samantha Abeysingha to Abeysingha Gunawardena, Samantha

9 April 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 101C(b)/Section 143A(c)/Reg. 9A.4. Examination has been requested or report issued for this patent. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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