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
CA799951A
Inventor
E. Hirschler Alfred
Original Assignee
Sun Oil Co
Publication date
Application grantedgrantedCritical
Publication of CA799951ApublicationCriticalpatent/CA799951A/en