Rock bolt

Details for Australian Patent Application No. 2003220700 (hide)

Owner Steffen, Robertson & Kirsten (South Africa) (Pty) Ltd and William David Ortlepp

Inventors Ortlepp, William David

Agent A.P.T. Patent and Trade Mark Attorneys

Pub. Number AU-B-2003220700

PCT Number PCT/ZA03/00032

PCT Pub. Number WO2003/071098

Priority 2002/1531 25.02.02 ZA

Filing date 25 February 2003

Wipo publication date 9 September 2003

Acceptance publication date 6 September 2007

International Classifications

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

Event Publications

31 July 2003 Complete Application Filed

  Priority application(s): 2002/1531 25.02.02 ZA

9 October 2003 Application Open to Public Inspection

  Published as AU-B-2003220700

6 September 2007 Application Accepted

  Published as AU-B-2003220700

10 January 2008 Standard Patent Sealed

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