Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU12708/33A
Inventor
Hall Armstrong Frank
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAFETY MINING Co
Original Assignee
SAFETY MINING Co
Filing date
Publication date
Application filed by SAFETY MINING CofiledCriticalSAFETY MINING Co
Publication of AU1270833ApublicationCriticalpatent/AU1270833A/en