PRODUCTION OF NON-PLANAR MEMBRANES FOR ELECTROACOUSTIC CONVERTERS

Details for Australian Patent Application No. 2002355861 (hide)

Owner ROHM GMBH AND CO. KG

Inventors GEDULDIG, Roland; DEITRICH, Michael; JAHN, Torsten; GREB, Horst

Pub. Number AU-A-2002355861

PCT Number PCT/EP02/07603

PCT Pub. Number WO2003/013187

Priority 101 35 414.2 25.07.01 DE

Filing date 9 July 2002

Wipo publication date 17 February 2003

International Classifications

H04R 007/12 Diaphragms for electromechanical transducers

H04R 031/00 Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor

Event Publications

20 March 2003 Complete Application Filed

  Priority application(s): 101 35 414.2 25.07.01 DE

29 May 2003 Application Open to Public Inspection

  Published as AU-A-2002355861

8 April 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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