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
CA225,464A
Inventor
Aldino J. Gaia
Angelo Urani
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.)
McGraw Edison Co
Original Assignee
McGraw Edison Co
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 CA162,975Aexternal-prioritypatent/CA977803A/en
Application filed by McGraw Edison CofiledCriticalMcGraw Edison Co
Priority to CA225,464ApriorityCriticalpatent/CA983560A/en
Application grantedgrantedCritical
Publication of CA983560ApublicationCriticalpatent/CA983560A/en