Monitoring of leakage in wastewater force mains and other pipes carrying fluid under pressure

Details for Australian Patent Application No. 2008202689 (hide)

Owner National Research Council of Canada

Inventors Wang, Alex; Hunaidi, Osama

Agent Griffith Hack

Pub. Number AU-A-2008202689

Priority 11/766,288 21.06.07 US

Filing date 18 June 2008

Wipo publication date 22 January 2009

International Classifications

G01M 3/24 (2006.01) Investigating fluid tightness of structures - using infrasonic, sonic, or ultrasonic vibrations

G01S 5/30 (2006.01) Position-fixing by co-ordinating two or more direction or position-line determinations

G01S 11/14 (2006.01) Systems for determining distance or velocity not using reflection or reradiation

Event Publications

3 July 2008 Complete Application Filed

  Priority application(s): 11/766,288 21.06.07 US

22 January 2009 Application Open to Public Inspection

  Published as AU-A-2008202689

3 May 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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