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.)
Alcan Research and Development Ltd
Aluminum Company of Canada Ltd
Dorr Co
Original Assignee
Aluminum Company of Canada Ltd
Aluminium Laboratories Ltd
Dorr Co
Publication date
Application grantedgrantedCritical
Publication of CA417786ApublicationCriticalpatent/CA417786A/fr