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
CA680419A
Inventor
B. Hemsley Thomas
V. Laskey Norman
T. R. Campbell George
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.)
Algonquin Shipping and Trading Ltd
Clarke Chapman Group Ltd
Original Assignee
Algonquin Shipping and Trading Ltd
Clarke Chapman and Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA680419ApublicationCriticalpatent/CA680419A/en