Collapsible Stairway

Details for Australian Patent Application No. 2008252032 (hide)

Owner Emmerton, D. Australian Project Specialists Pty Ltd

Inventors Broad, Kerry C.; Emmerton, Donald J.

Agent Middletons

Pub. Number AU-B-2008252032

Parent 2005200785

Filing date 28 November 2008

Wipo publication date 29 January 2009

Acceptance publication date 24 November 2011

International Classifications

E04F 11/06 (2006.01) Stairways, ramps, or like structures

B60R 3/02 (2006.01) Arrangements of steps, e.g. running-boards

B61D 23/02 (2006.01) Construction of steps for railway vehicles

E06C 5/02 (2006.01) Ladders characterised by being mounted on undercarriages or vehicles

E06C 5/24 (2006.01) Ladders characterised by being mounted on undercarriages or vehicles

E06C 9/08 (2006.01) Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes

Event Publications

18 December 2008 Complete Application Filed

29 January 2009 Application Open to Public Inspection

  Published as AU-B-2008252032

24 November 2011 Application Accepted

  Published as AU-B-2008252032

22 March 2012 Standard Patent Sealed

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