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
CA891472A
Inventor
W. Camp Frederick
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.)
Great Canadian Oil Sands Ltd
Original Assignee
Great Canadian Oil Sands Ltd
Publication date
Application grantedgrantedCritical
Publication of CA891472ApublicationCriticalpatent/CA891472A/en