DISPLACEMENT BASED PRESSURE SENSOR MEASURING UNSTEADY PRESSURE IN A PIPE

Details for Australian Patent Application No. 2002249456 (hide)

Owner WEATHERFORD/LAMB, INC.

Inventors GYSLING, Daniel, L.

Pub. Number AU-A-2002249456

PCT Pub. Number WO2003/091683

Filing date 24 April 2002

Wipo publication date 10 November 2003

International Classifications

G01L 009/00 Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elements

Event Publications

18 December 2003 Application Open to Public Inspection

  Published as AU-A-2002249456

13 January 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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