Expiratory valve unit

Details for Australian Patent Application No. 2004237942 (hide)

Owner Helmet Integrated Systems Limited

Inventors Dampney, Ian

Agent Shelston IP

Pub. Number AU-A-2004237942

PCT Pub. Number WO2004/101073

Priority 0311338.8 16.05.03 GB

Filing date 17 May 2004

Wipo publication date 25 November 2004

International Classifications

A62B 9/02 (2006.01) Component parts for respiratory or breathing apparatus

A62B 18/10 (2006.01) Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes

Event Publications

5 January 2006 PCT application entered the National Phase

  PCT publication WO2004/101073 Priority application(s): WO2004/101073

15 May 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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