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.)
Wm Cissell Manufacturing Co
Original Assignee
Wm Cissell Manufacturing 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 CA142,577Aexternal-prioritypatent/CA968760A/en
Application filed by Wm Cissell Manufacturing CofiledCriticalWm Cissell Manufacturing Co
Priority to CA223,770ApriorityCriticalpatent/CA992929A/en
Priority to CA249,356Aprioritypatent/CA1019703A/en
Application grantedgrantedCritical
Publication of CA992929ApublicationCriticalpatent/CA992929A/en