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
CA683825A
Inventor
D. Bergstein Frank
Back Leonard
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.)
Bergstein Packaging Trust
Original Assignee
Bergstein Packaging Trust
Publication date
Application grantedgrantedCritical
Publication of CA683825ApublicationCriticalpatent/CA683825A/en