Improved Inspection Hatch

Details for Australian Patent Application No. 2002301962 (hide)

Owner Winzar, D.

Inventors Winzar, Duncan Paul

Agent Cullen & Co

Pub. Number AU-B-2002301962

Priority PR9347 06.12.01 AU

Filing date 13 November 2002

Wipo publication date 19 June 2003

Acceptance publication date 16 November 2006

International Classifications

E02D 29/12 (2006.01) Underground or underwater structures - Manhole shafts

E03F 5/02 (2006.01) Sewerage structures

Event Publications

28 November 2002 Complete Application Filed

  Priority application(s): PR9347 06.12.01 AU

19 June 2003 Application Open to Public Inspection

  Published as AU-B-2002301962

16 November 2006 Application Accepted

  Published as AU-B-2002301962

15 March 2007 Standard Patent Sealed

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