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.)
Alfred Walter Nordin Ian Bruce Betteridge and Ronald Escott Wimshurst David Cecil Madigan
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 Forthe Stateof South Australia
Original Assignee
Minister Of Mines Forthe Stateof South Australia
Filing date
Publication date
Application filed by Minister Of Mines Forthe Stateof South AustraliafiledCriticalMinister Of Mines Forthe Stateof South Australia
Priority to GB8389/60ApriorityCriticalpatent/GB944905A/en
Application grantedgrantedCritical
Publication of AU4664659ApublicationCriticalpatent/AU4664659A/en
Publication of AU242474B2publicationCriticalpatent/AU242474B2/en