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
Priority claimed from US05/861,046external-prioritypatent/US4151748A/en
Application filed by Appleton Papers Inc Societa DefiledCriticalAppleton Papers Inc Societa De
Publication of IT7852291A0publicationCriticalpatent/IT7852291A0/en
Application grantedgrantedCritical
Publication of IT1107596BpublicationCriticalpatent/IT1107596B/en