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
CA591321A
Inventor
S. Beckette Edmund
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.)
General Steel Castings Corp
Original Assignee
General Steel Castings Corp
Publication date
Application grantedgrantedCritical
Publication of CA591321ApublicationCriticalpatent/CA591321A/en