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.)
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.)
A B MACHINE Co
Original Assignee
A B MACHINE 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 CA189,459Aexternal-prioritypatent/CA1004826A/en
Application filed by A B MACHINE CofiledCriticalA B MACHINE Co
Priority to CA267,859ApriorityCriticalpatent/CA1015930A/fr
Application grantedgrantedCritical
Publication of CA1015930ApublicationCriticalpatent/CA1015930A/fr