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
CA191,189A
Inventor
George B. Mcdonald
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.)
General Dynamics Canada Ltd
Original Assignee
Control Data 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 CA126,454Aexternal-prioritypatent/CA998770A/en
Application filed by Control Data Canada LtdfiledCriticalControl Data Canada Ltd
Priority to CA191,189ApriorityCriticalpatent/CA967283A/en
Application grantedgrantedCritical
Publication of CA967283ApublicationCriticalpatent/CA967283A/en