Open bottom fiber reinforced precast concrete arch unit

Details for Australian Patent Application No. 2006220584 (hide)

Owner Contech Arch Technologies, Inc.

Inventors Lockwood, William D.; Brodowski, David M.

Agent Spruson & Ferguson

Pub. Number AU-A-2006220584

PCT Pub. Number WO2006/096717

Priority 11/074,488 08.03.05 US

Filing date 7 March 2006

Wipo publication date 14 September 2006

International Classifications

E04B 1/16 (2006.01) Constructions in general - Structures made from masses, e.g. concrete, cast or similarly formed with or without making use of additional elements, such as permanent forms, sub-structures to be coated with load-bearing material

Event Publications

4 October 2007 PCT application entered the National Phase

  PCT publication WO2006/096717 Priority application(s): WO2006/096717

19 November 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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