METHOD OF DETECTION OF FLOW DUCT OBSTRUCTION

Details for Australian Patent Application No. 2003209875 (hide)

Owner MCMASTER UNIVERSITY

Inventors ZIADA, Samir

Pub. Number AU-A-2003209875

PCT Number PCT/CA03/00314

PCT Pub. Number WO2003/081002

Priority 2,378,791 25.03.02 CA

Filing date 6 March 2003

Wipo publication date 8 October 2003

International Classifications

F01N 007/10 -

G01H 015/00 Measuring mechanical or acoustic impedance

F16L 055/24 Devices or appurtenances for use in, or in connection with, pipes or pipe systems - Preventing accumulation of dirt or other matter in pipes, e.g. by traps, by strainers

Event Publications

17 July 2003 Complete Application Filed

  Priority application(s): 2,378,791 25.03.02 CA

13 November 2003 Application Open to Public Inspection

  Published as AU-A-2003209875

9 December 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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