Filter cartridge having cover for masking service life indicator

Details for Australian Patent Application No. 2010249892 (hide)

Owner 3M Innovative Properties Company

Inventors Holmquist-Brown, Thomas W.; Rakow, Neal A.

Agent Freehills

Pub. Number AU-A-2010249892

PCT Pub. Number WO2010/135218

Priority 12/470,865 22.05.09 US

Filing date 17 May 2010

Wipo publication date 25 November 2010

International Classifications

A62B 7/10 (2006.01) Respirators - with filter elements

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

A62B 23/04 (2006.01) Filters for breathing-protection purposes

B01D 27/08 (2006.01) Cartridge filters of the throw-away type - Construction of the casing

Event Publications

12 January 2012 PCT application entered the National Phase

  PCT publication WO2010/135218 Priority application(s): WO2010/135218

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