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
CA594837A
Inventor
J. Alm Erhard
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.)
Vulcan Equipment Co Ltd
Original Assignee
Vulcan Equipment Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA594837ApublicationCriticalpatent/CA594837A/en