An improved underdrain system

Details for Australian Patent Application No. 2007201524 (hide)

Owner R G Delaware, Inc

Inventors Llyin, Aleksandr Vladimirovich; Roberts, R. Lee; Schmoyer, Jason Samuel; Addison, Mark Keven

Agent Watermark

Pub. Number AU-A-2007201524

Priority 11/400,330 10.04.06 US

Filing date 5 April 2007

Wipo publication date 25 October 2007

International Classifications

E03F 5/14 (2006.01) Sewerage structures - Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates

Event Publications

26 April 2007 Complete Application Filed

  Priority application(s): 11/400,330 10.04.06 US

25 October 2007 Application Open to Public Inspection

  Published as AU-A-2007201524

24 February 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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