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
CA638681A
Inventor
William D. Drummond
Grant M. Johnston
Original Assignee
INTERNATIONAL HARVESTER Co OF CANADA
Publication date
Application grantedgrantedCritical
Publication of CA638681ApublicationCriticalpatent/CA638681A/en