ULTRASONIC TRANSMITTER/RECEIVER, PROCESS FOR PRODUCING THE SAME, AND ULTRASONIC FLOWMETER

Details for Australian Patent Application No. 2003289153 (hide)

Owner MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

Inventors SUZUKI, Masaaki; NAGAHARA, Hidetomo; HASHIDA, Takashi

Pub. Number AU-A-2003289153

PCT Number PCT/JP2003/0154

PCT Pub. Number WO2004/057913

Priority 2002-370421 20.12.02 JP

Filing date 3 December 2003

Wipo publication date 14 July 2004

International Classifications

H04R 017/00 Piezo-electric transducers

G01F 001/66 Measuring volume flow - by measuring frequency, phase shift, or propagation time of electromagnetic or other waves, e.g. ultrasonic flowmeters

Event Publications

1 April 2004 Complete Application Filed

  Priority application(s): 2002-370421 20.12.02 JP

19 August 2004 Application Open to Public Inspection

  Published as AU-A-2003289153

8 September 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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