ROCK PRYING APPARATUS FOR HANGING ROOF IN MINES

Details for Australian Patent Application No. 2002347478 (hide)

Owner BURGER, Nicolaas, Daniel, Lombard VON WIELLIGH, Adam, Jacobus OTTERMANN, Rudolf, Werner

Inventors VON WIELLIGH, Adam, Jacobus; OTTERMANN, Rudolf, Werner; BURGER, Nicolaas, Daniel, Lombard BURNETT-EVANS, Amanda see BURNETTEVANS, Peter (21) 2002347159

Pub. Number AU-A-2002347478

PCT Number PCT/IB02/04879

PCT Pub. Number WO2003/044321

Priority 2001/9632 22.11.01 ZA

Filing date 22 November 2002

Wipo publication date 10 June 2003

International Classifications

E21C 037/22 Other methods or devices for dislodging with or without loading

A62B 003/00 Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screens

Event Publications

13 March 2003 Complete Application Filed

  Priority application(s): 2001/9632 22.11.01 ZA

21 August 2003 Application Open to Public Inspection

  Published as AU-A-2002347478

5 August 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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