Lightweight concrete roofing tile

Details for Australian Patent Application No. 2004210537 (hide)

Owner De Costa-Silva, R.

Inventors De Costa-Silva, Roderic

Agent Griffith Hack

Pub. Number AU-B-2004210537

Parent 47357

Filing date 9 September 2004

Wipo publication date 7 October 2004

Acceptance publication date 12 July 2007

International Classifications

E04D 1/16 (2006.01) Roof covering by making use of tiles, slates, shingles, or other small roofing elements

Event Publications

23 September 2004 Complete Application Filed

7 October 2004 Application Open to Public Inspection

  Published as AU-B-2004210537

12 July 2007 Application Accepted

  Published as AU-B-2004210537

10 January 2008 Standard Patent Sealed

2 April 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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