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
CA699377A
Inventor
C. Davis Alfred
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.)
Imperial Tobacco Company of Great Britain and Ireland Ltd
Original Assignee
Imperial Tobacco Company of Great Britain and Ireland Ltd
Publication date
Application grantedgrantedCritical
Publication of CA699377ApublicationCriticalpatent/CA699377A/en