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.)
THERMEX
Original Assignee
THERMEX
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 CA147,070Aexternal-prioritypatent/CA981891A/en
Application filed by THERMEXfiledCriticalTHERMEX
Priority to CA224,030ApriorityCriticalpatent/CA1006689A/en
Application grantedgrantedCritical
Publication of CA1006689ApublicationCriticalpatent/CA1006689A/en