A CONSTRUCTION FOR ACTIVE SOUND ATTENUATION

Details for Australian Patent Application No. 2002255038 (hide)

Owner VALTION TEKNILLINEN TUTKIMUSKESKUS

Inventors ANTILA, Marko; NYKANEN, Hannu; SAARINEN, Ari; LEKKALA, Jukka

Pub. Number AU-A-2002255038

PCT Pub. Number WO2002/095725

Priority 20011068 21.05.01 FI

Filing date 16 May 2002

Wipo publication date 3 December 2002

International Classifications

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

A47H 023/05 Curtains

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

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

Event Publications

8 May 2003 Application Open to Public Inspection

  Published as AU-A-2002255038

11 March 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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