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
CA669856A
Inventor
P. Pearson Vincent
E. Mcfarland James
M. Roelofs Henry
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.)
Inland Steel Co
Original Assignee
Inland Steel Co
Publication date
Application grantedgrantedCritical
Publication of CA669856ApublicationCriticalpatent/CA669856A/en