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
CA198,584A
Inventor
Wrethel Spendlove
Lynn E. Burr
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.)
Associated Smelters Inc
Original Assignee
Associated Smelters Inc
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 CA099,151,Aexternal-prioritypatent/CA951125A/en
Application filed by Associated Smelters IncfiledCriticalAssociated Smelters Inc
Priority to CA198,584ApriorityCriticalpatent/CA967729A/en
Application grantedgrantedCritical
Publication of CA967729ApublicationCriticalpatent/CA967729A/en