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
CA32404F
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.)
Shell International Petroleum Co Ltd
Original Assignee
Shell International Petroleum Co Ltd
Publication date
Priority to CA32404FpriorityCriticalpatent/CA32404S/en
Application grantedgrantedCritical
Publication of CA32404SpublicationCriticalpatent/CA32404S/en