Portable ventilation curtain frame

Details for Australian Patent Application No. 2011204883 (hide)

Owner Heintzmann Corporation

Inventors Howery, Rodney

Agent Davies Collison Cave

Pub. Number AU-A-2011204883

Priority 61/366,031 20.07.10 US

Filing date 20 July 2011

Wipo publication date 9 February 2012

International Classifications

E21F 1/14 (2006.01) Ventilation of mines or tunnels

E21F 17/103 (2006.01) Methods or devices for use in mines or tunnels, not covered elsewhere

E21F 17/12 (2006.01) Methods or devices for use in mines or tunnels, not covered elsewhere

Event Publications

11 August 2011 Complete Application Filed

  Priority application(s): 61/366,031 20.07.10 US

9 February 2012 Application Open to Public Inspection

  Published as AU-A-2011204883

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