Waste activated sludge anaerobic contact waste stream treatment process

Details for Australian Patent Application No. 2003287662 (hide)

Owner Carollo Engineers, P.C.

Inventors Narayanan, Balakrishnan; Hough, Stephen

Agent Davies Collison Cave

Pub. Number AU-B-2003287662

PCT Number PCT/US2003/0365

PCT Pub. Number WO2004/046049

Priority 10/295,264 14.11.02 US

Filing date 12 November 2003

Wipo publication date 15 June 2004

Acceptance publication date 13 August 2009

International Classifications

C02F 3/30 (2006.01) Biological treatment of water, waste water, or sewage - Aerobic and anaerobic processes

C02F 3/28 (2006.01) Biological treatment of water, waste water, or sewage - Anaerobic digestion processes

C02F 11/04 (2006.01) Treatment of sludge - Anaerobic treatment

Event Publications

1 April 2004 Complete Application Filed

  Priority application(s): 10/295,264 14.11.02 US

15 July 2004 Application Open to Public Inspection

  Published as AU-B-2003287662

6 August 2009 Alteration of Name

  The name of the applicant has been altered to Carollo Engineers, P.C. 2004

13 August 2009 Application Accepted

  Published as AU-B-2003287662

10 June 2010 Standard Patent Sealed

9 June 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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.

21 July 2011 Section 223 Application Received

  Carollo Engineers, P.C. An application to extend the time from 12 Nov 2010 to 12 Jul 2011 in which to pay a renewal fee has been filed . Address for service in Australia - Davies Collison Cave 1 Nicholson Street Melbourne VIC 3000 2004

8 September 2011 Section 223 Application Allowed

  Carollo Engineers, P.C. The time in which to pay a renewal fee has been extended to 12 Jul 2011. Address for service in Australia - Davies Collison Cave 1 Nicholson Street Melbourne VIC 3000 2004

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