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
CA626716A
Inventor
N. Dupuis Robert
C. Lieser 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.)
Altria Group Inc
Original Assignee
Philip Morris and Co Ltd Inc
Publication date
Application grantedgrantedCritical
Publication of CA626716ApublicationCriticalpatent/CA626716A/en