Retarder for Calcium Sulfoaluminate Cements

Details for Australian Patent Application No. 2004235652 (hide)

International Classifications

Event Publications

16 December 2004 Complete Application Filed

6 January 2005 Application Open to Public Inspection

Published as AU-A-2004235652

29 September 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

This application lapsed under section 142(2)(d). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

10 May 2007 Assignment before Grant

MBT Holding AG The application has been assigned to Construction Research & Technology GmbH

2 August 2007 Section 223 Application Received

Construction Research & Technology GmbH An application to extend the time from 02 Mar 2005 to 02 Jun 2007 in which to pay the renewal fee has been filed . Address for service in Australia - Cullen & Co GPO Box 1074 Brisbane QLD 4001 Extensions of Time, Section 223 2005

20 September 2007 Section 223 Application Allowed

Construction Research & Technology GmbH The time in which to pay the continuation fee has been extended to 02 Jun 2007. Address for service in Australia - Cullen & Co Level 26 239 George Street Brisbane QLD 4000 2005

21 August 2008 Application Accepted

Published as AU-A-2004235652

18 December 2008 Standard Patent Sealed

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