Trenching method and apparatus

Details for Australian Patent Application No. 2002214153 (hide)

Owner Mastenbroek Ltd

Inventors Kelly, Keith Richard; Geelhoed, Jack

Agent Spruson & Ferguson

Pub. Number AU-B-2002214153

PCT Pub. Number WO2003/044286

Filing date 13 November 2001

Wipo publication date 10 June 2003

Acceptance publication date 26 June 2008

International Classifications

E02F 5/06 (2006.01) Dredgers or soil-shifting machines for special purposes

E02F 3/06 (2006.01) Dredgers

E02F 3/10 (2006.01) Dredgers

E02F 3/20 (2006.01) Dredgers

E02F 5/00 (2006.01) Dredgers or soil-shifting machines for special purposes

E02F 5/10 (2006.01) Dredgers or soil-shifting machines for special purposes - with arrangements for reinforcing trenches or ditches

E02F 5/14 (2006.01) Dredgers or soil-shifting machines for special purposes

E02F 3/08 (2006.01) Dredgers - with digging elements on an endless chain

E02F 3/18 (2006.01) Dredgers - with digging wheels turning round an axis

E02F 5/02 (2006.01) Dredgers or soil-shifting machines for special purposes - for digging trenches or ditches

Event Publications

21 August 2003 Application Open to Public Inspection

  Published as AU-B-2002214153

26 June 2008 Application Accepted

  Published as AU-B-2002214153

14 August 2008 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 01 Jul 2008. Address for service in Australia - Spruson & Ferguson Level 35 St Martins Tower 31 Market Street Sydney NSW 2000

11 December 2008 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 01 Jul 2008

11 December 2008 Standard Patent Sealed

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