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
CA124,907A
Inventor
Alan M. Bills
Sten I. Falkehag
Harold L. Hintz
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.)
Westvaco Corp
Original Assignee
Westvaco Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Westvaco CorpfiledCriticalWestvaco Corp
Priority to CA124,907ApriorityCriticalpatent/CA939105A/en
Application grantedgrantedCritical
Publication of CA939105ApublicationCriticalpatent/CA939105A/en