ACTIVE VENT NOISE REDUCTION DEVICE FOR USE WITH AN EXHAUST OR INTAKE PIPE

Details for Australian Patent Application No. 2003271828 (hide)

Owner COMPTOIR DE LA TECHNOLOGIE

Inventors HAUPAIS, Alain

Pub. Number AU-A-2003271828

PCT Number PCT/FR03/02433

PCT Pub. Number WO2004/022931

Priority 02/10871 03.09.02 FR

Filing date 31 July 2003

Wipo publication date 29 March 2004

International Classifications

F01N 001/06 Silencing apparatus characterised by method of silencing - by using interference effect

G10K 011/178 Methods or devices for transmitting, conducting or directing sound in general

F02M 035/12 Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines - Intake silencers

Event Publications

22 January 2004 Complete Application Filed

  Priority application(s): 02/10871 03.09.02 FR

13 May 2004 Application Open to Public Inspection

  Published as AU-A-2003271828

7 July 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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