IMPROVED NON-DESTRUCTIVE EVALUATION METHOD EMPLOYING DIELECTRIC ELECTROSTATIC ULTRASONIC TRANSDUCERS

Details for Australian Patent Application No. 2003224857 (hide)

Owner UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF THE NATIONAL AERONAUTICS AND SPACE

Inventors YOST, William, T.; CANTRELL, John, H.

Pub. Number AU-A-2003224857

PCT Number PCT/US03/10607

PCT Pub. Number WO2003/087780

Priority 60/371,799 11.04.02 US; 10/263,292 30.09.02 US

Filing date 4 April 2003

Wipo publication date 27 October 2003

International Classifications

G01N 009/24 Investigating density or specific gravity of materials - by observing the transmission of wave or particle radiation through the material

G01N 029/04 Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves - Analysing solids

Event Publications

7 August 2003 Complete Application Filed

  Priority application(s): 60/371,799 11.04.02 US; 10/263,292 30.09.02 US

4 December 2003 Application Open to Public Inspection

  Published as AU-A-2003224857

6 January 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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