Handsfree external sound switch

Details for Australian Patent Application No. 2009100899 (hide)

Owner Chang, S.

Inventors Chang, Sun-Wei

Agent Sun-wei Chang

Pub. Number AU-A-2009100899

Filing date 9 September 2009

Opi date 22 October 2009

International Classifications

H04R 5/033 (2006.01) Stereophonic arrangements

H04R 1/10 (2006.01) Details of transducers - Earpieces

Event Publications

24 September 2009 Innovation Patent Application Filed

22 October 2009 Innovation Patent Open to Public Inspection

  Published as AU-A-2009100899

22 October 2009 Innovation Patent Sealed

27 May 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 101C(b)/Section 143A(c)/Reg. 9A.4. Examination has been requested or report issued for this patent. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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