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
CA721793A
Inventor
J. Clancy John
B. Poole Alton
C. Wells 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.)
Boxboard Research and Development Association
Original Assignee
Boxboard Research and Development Association
Publication date
Application grantedgrantedCritical
Publication of CA721793ApublicationCriticalpatent/CA721793A/en