A method for controlling the directionality of the sound receiving characteristic of a hearing aid and a signal processing apparatus for a hearing aid with a controllable directional characteristic

Details for Australian Patent Application No. 2003277877 (hide)

International Classifications

Event Publications

26 February 2004 Complete Application Filed

25 August 2005 Application Open to Public Inspection

Published as AU-B-2003277877

27 November 2008 Application Accepted

Published as AU-B-2003277877

26 March 2009 Standard Patent Sealed

12 April 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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