Hollow Rock Bolt and Installing Method

Details for Australian Patent Application No. 2004201671 (hide)

Owner Fergusson, J.

Inventors Fergusson, Jeffrey Robert

Agent Fraser Old & Sohn

Pub. Number AU-A-2004201671

Parent 2003248049

Filing date 21 April 2004

Wipo publication date 13 May 2004

International Classifications

B21H 003/04 Making helical bodies or bodies having parts of helical shape

E21D 021/00 Anchoring-bolts for roof, floor, or shaft-lining protection

B21H 003/06 Making helical bodies or bodies having parts of helical shape

E21D 020/02 Setting anchoring-bolts

Event Publications

6 May 2004 Complete Application Filed

13 May 2004 Application Open to Public Inspection

  Published as AU-A-2004201671

18 November 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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