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
CA716003A
Inventor
G. Fletcher Stewart
L. Johnson Birger
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.)
Latrobe Steel Co
Original Assignee
Latrobe Steel Co
Publication date
Application grantedgrantedCritical
Publication of CA716003ApublicationCriticalpatent/CA716003A/en