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
CA915029A
Inventor
Maine Jack
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.)
CW Maine and Sons Inc
Original Assignee
Jack Maine
CW Maine and Sons Inc
Publication date
Application grantedgrantedCritical
Publication of CA915029ApublicationCriticalpatent/CA915029A/en