Pneumatically-powered mine door installation with hydraulic checking system
Details for Australian Patent Application No. 2004202818 (hide)
International Classifications
Event Publications
8 July 2004 Complete Application Filed
Priority application(s): 10/608900 27.06.03 US
13 January 2005 Application Open to Public Inspection
Published as AU-A-2004202818
27 September 2007 Amendment Made
The nature of the amendment is: Amend the invention title to read Control system for pneumatically-powered door installation
3 April 2008 Application Accepted
Published as AU-A-2004202818
31 July 2008 Standard Patent Sealed
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