VENTILATION DUCT INCLUDING SOUND DAMPNING MATERIALS WITH DIFFERENT DENSITY AND A VALVE

Details for Australian Patent Application No. 2003212731 (hide)

Owner VASAB VAGG AND AKUSTIK SYSTEM AB

Inventors NORDIN, Paul; BLANK, Sven-Inge

Pub. Number AU-A-2003212731

PCT Number PCT/SE03/00306

PCT Pub. Number WO2003/073016

Priority 0200595-7 28.02.02 SE

Filing date 25 February 2003

Wipo publication date 9 September 2003

International Classifications

F24F 013/24 Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening

F24F 013/14 Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening - built-up of tilting members, e.g. louvre

F16L 055/033 Devices or appurtenances for use in, or in connection with, pipes or pipe systems

Event Publications

24 July 2003 Complete Application Filed

  Priority application(s): 0200595-7 28.02.02 SE

16 October 2003 Application Open to Public Inspection

  Published as AU-A-2003212731

23 October 2003 Application Open to Public Inspection

  Published as AU-A-2003212731

18 November 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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