Collapsible Stairway

Details for Australian Patent Application No. 2003101080 (hide)

Owner Emmerton, D.

Inventors Emmerton, Donald John

Agent Pipers

Pub. Number AU-B-2003101080

Parent 80923

Filing date 23 June 2003

Opi date 30 June 2005

International Classifications

E04F 011/06 Stairways, ramps, or like structures

E06C 005/02 Ladders characterised by being mounted on undercarriages or vehicles

E06C 005/24 Ladders characterised by being mounted on undercarriages or vehicles

E06C 009/08 Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes

B60R 003/02 Arrangements of steps, e.g. running-boards

B61D 023/02 Construction of steps for railway vehicles

Event Publications

21 April 2005 Innovation Patent Open to Public Inspection

  Published as AU-B-2003101080

21 April 2005 Innovation Patent Sealed

30 June 2005 Certified Innovation Patents

  Published as AU-B-2003101080

13 July 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143A(d), or Expired. This patent has been certified. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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