Cavity barricade

Details for Australian Patent Application No. 2004100134 (hide)

Owner Sparrow, I.

Inventors Sparrow, Ivan

Agent Ivan Sparrow

Pub. Number AU-A-2004100134

Priority 2003900891 27.02.03 AU

Filing date 25 February 2004

Opi date 18 March 2004

International Classifications

E21F 015/00 Methods or devices for placing filling-up materials in underground workings

Event Publications

11 March 2004 Innovation Patent Application Filed

  Priority application(s): 2003900891 27.02.03 AU

18 March 2004 Innovation Patent Open to Public Inspection

  Published as AU-A-2004100134

18 March 2004 Innovation Patent Sealed

21 September 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143A(d), or Expired. Examination has not been requested on this patent. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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