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
CA153256A
Inventor
H. Leonard George
J. Enyeart Raymond
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.)
VARIFAB
Original Assignee
VARIFAB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CA090,637Aexternal-prioritypatent/CA947727A/en
Application filed by VARIFABfiledCriticalVARIFAB
Priority to CA153256ApriorityCriticalpatent/CA937207A/en
Application grantedgrantedCritical
Publication of CA937207ApublicationCriticalpatent/CA937207A/en