Rock bolt

Details for Australian Patent Application No. 2002351425 (hide)

Owner Grinaker-LTA Limited

Inventors Erasmus, Nico

Agent FB Rice

Pub. Number AU-B-2002351425

PCT Number PCT/ZA02/00178

PCT Pub. Number WO2003/042501

Priority 2001/9408 15.11.01 ZA

Filing date 15 November 2002

Wipo publication date 26 May 2003

Acceptance publication date 14 June 2007

International Classifications

E21D 21/00 (2006.01) Anchoring-bolts for roof, floor, or shaft-lining protection

Event Publications

20 March 2003 Complete Application Filed

  Priority application(s): 2001/9408 15.11.01 ZA

24 July 2003 Application Open to Public Inspection

  Published as AU-B-2002351425

14 June 2007 Application Accepted

  Published as AU-B-2002351425

11 October 2007 Standard Patent Sealed

27 August 2009 Amendment Made

  The nature of the amendment is: Change the patentee name from Grinaker-LTA Limited to Aveng (Africa) Limited 2003

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