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.)
John Horsely Leander Ernest Cupp Brian Martin Gyula
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.)
Vale Canada Ltd
Original Assignee
Vale Canada Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CA200,550Aexternal-prioritypatent/CA1011117A/en
Priority claimed from CA200,525Aexternal-prioritypatent/CA1010665A/en
Application filed by Vale Canada LtdfiledCriticalVale Canada Ltd
Application grantedgrantedCritical
Publication of AU491741B2publicationCriticalpatent/AU491741B2/en
Publication of AU8098975ApublicationCriticalpatent/AU8098975A/en
Priority claimed from CA000472184Aexternal-prioritypatent/CA1239288A/en