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
CA708159A
Inventor
C. Brace Eldred
E. Horton Frank
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.)
Banner Mining Co
Original Assignee
Banner Mining Co
Publication date
Application grantedgrantedCritical
Publication of CA708159ApublicationCriticalpatent/CA708159A/en