LOUDSPEAKER DIAPHRAGM SYSTEMS

Details for Australian Patent Application No. 2003249960 (hide)

Owner HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED

Inventors HARRIS, Michael; POLFREMAN, Robert

Pub. Number AU-A-2003249960

PCT Number PCT/EP03/07189

PCT Pub. Number WO2004/006623

Priority 0215767.5 08.07.02 GB; 0215768.3 08.07.02 GB

Filing date 4 July 2003

Wipo publication date 23 January 2004

International Classifications

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

H04R 007/02 Diaphragms for electromechanical transducers

C25D 011/02 Electrolytic coating by surface reaction, i.e. forming conversion layers - Anodisation

C25D 009/06 Electrolytic coating other than with metals

Event Publications

16 October 2003 Complete Application Filed

  Priority application(s): 0215767.5 08.07.02 GB; 0215768.3 08.07.02 GB

11 March 2004 Application Open to Public Inspection

  Published as AU-A-2003249960

7 April 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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