Architectural sound enhancement system

Details for Australian Patent Application No. 2002313369 (hide)

Owner Armstrong World Industries, Inc

Inventors Roy, Kenneth P; Hendricks, Richard S

Agent FB Rice

Pub. Number AU-A-2002313369

Priority 10/008405 06.12.01 US

Filing date 2 December 2002

Wipo publication date 19 June 2003

International Classifications

E04B 001/99 Constructions in general - Room acoustics, i.e. forms of, or arrangements in, rooms for influencing or directing sound

G10K 011/18 Methods or devices for transmitting, conducting or directing sound in general

H04R 001/20 Details of transducers - Arrangements for obtaining desired frequency or directional characteristics

Event Publications

2 January 2003 Complete Application Filed

  Priority application(s): 10/008405 06.12.01 US

19 June 2003 Application Open to Public Inspection

  Published as AU-A-2002313369

23 March 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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