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
CA778179A
Inventor
E. Mair William
D. Harkness Wilfred
E. Olson Ole
W. Larson Robert
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.)
Marathon Corp of Canada Ltd
Beloit Corp
Original Assignee
Ole E Olson
Wilfred D Harkness
William E Mair
Marathon Corp of Canada Ltd
Beloit Corp
Publication date
Application grantedgrantedCritical
Publication of CA778179ApublicationCriticalpatent/CA778179A/en