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.)
BRUCE BETTERIDGE; ALFRED WALTER NORDIN and FRANK RAMSEY HARTLEY IAN
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.)
Minister Of Mines For Stateof South Australia
Original Assignee
Minister Of Mines For Stateof South Australia
Filing date
Publication date
Application filed by Minister Of Mines For Stateof South AustraliafiledCriticalMinister Of Mines For Stateof South Australia
Application grantedgrantedCritical
Publication of AU257750B2publicationCriticalpatent/AU257750B2/en
Publication of AU629461ApublicationCriticalpatent/AU629461A/en