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.)
Sunoco Inc
Original Assignee
Sun Oil 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
Priority claimed from CA123,427Aexternal-prioritypatent/CA942591A/en
Application filed by Sun Oil CofiledCriticalSun Oil Co
Priority to CA184,736ApriorityCriticalpatent/CA974820A/en
Application grantedgrantedCritical
Publication of CA974820ApublicationCriticalpatent/CA974820A/en