Filtering face mask that uses an exhalation valve that has a multilayered flexible flap

Details for Australian Patent Application No. 2002340081 (hide)

Owner 3M Innovative Properties Company

Inventors Xue, Jianxian; Martin, Philip G

Agent Davies Collison Cave

Pub. Number AU-B-2002340081

PCT Number PCT/US02/31418

PCT Pub. Number WO2003/045503

Priority 09/989,965 21.11.01 US

Filing date 3 October 2002

Wipo publication date 10 June 2003

Acceptance publication date 10 April 2008

International Classifications

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

A62B 18/02 (2006.01) Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes

A62B 23/02 (2006.01) Filters for breathing-protection purposes

F16K 15/16 (2006.01) Functional types

Event Publications

27 February 2003 Complete Application Filed

  Priority application(s): 09/989,965 21.11.01 US

21 August 2003 Application Open to Public Inspection

  Published as AU-B-2002340081

10 April 2008 Application Accepted

  Published as AU-B-2002340081

7 August 2008 Standard Patent Sealed

Legal

The information provided by the Site not in the nature of legal or other professional advice. The information provided by the Site is derived from third parties and may contain errors. You must make your own enquiries and seek independent advice from the relevant industry professionals before acting or relying on any information contained herein. Check the above data against the Australian Patent Office AUSPAT database.

Next and Previous Patents/Applications

2002340082-WATERAND OIL-REPELLENT, ANTISTATIC COMPOSITIONS

2002340080-ANTI-ANGIOGENIC PEPTIDES