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.)
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.)
Canada Cities Service Ltd
Imperial Oil Ltd
Royalite Oil Co Ltd
Atlantic Richfield Co
Original Assignee
Canada Cities Service Ltd
Imperial Oil Ltd
Royalite Oil Co Ltd
Atlantic Richfield Co
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
Application filed by Canada Cities Service Ltd, Imperial Oil Ltd, Royalite Oil Co Ltd, Atlantic Richfield CofiledCriticalCanada Cities Service Ltd
Application grantedgrantedCritical
Publication of CA934314ApublicationCriticalpatent/CA934314A/en