Apparatus and method for roughing surface of concrete casting blocks

Details for Australian Patent Application No. 2002302246 (hide)

Owner Techo-Bloc, Inc.

Inventors Laporte, Hugo; Ciccarello, Charles; Laporte, Yvon

Agent FB Rice

Pub. Number AU-B-2002302246

PCT Number PCT/CA02/00739

PCT Pub. Number WO2002/096610

Priority 2,349,095 28.05.01 CA

Filing date 22 May 2002

Wipo publication date 9 December 2002

Acceptance publication date 22 February 2007

International Classifications

E04B 2/02 (2006.01) Walls, e.g. partitions, for buildings - built-up from layers of building elements

B28B 11/08 (2006.01) Apparatus or processes for treating or working the shaped articles - for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads

B28D 1/18 (2006.01) Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhere - by milling, e.g. channelling by means of milling tools

B28D 1/28 (2006.01) Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhere

B28D 7/04 (2006.01) Accessories specially adapted for use with machines or devices of the other groups of this subclass

Event Publications

12 December 2002 Complete Application Filed

  Priority application(s): 2,349,095 28.05.01 CA

8 May 2003 Application Open to Public Inspection

  Published as AU-B-2002302246

22 February 2007 Application Accepted

  Published as AU-B-2002302246

21 June 2007 Standard Patent Sealed

17 December 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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