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.)
Hudson Bay Mining and Smelting Co Ltd
Original Assignee
Matthew K T Reikie
Sherwin P Lowe
Hudson Bay Mining and Smelting Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA477852ApublicationCriticalpatent/CA477852A/fr