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 US05/734,222external-prioritypatent/US4061539A/en
Application filed by Reynolds Tobacco Co RfiledCriticalReynolds Tobacco Co R
Publication of FI792126ApublicationCriticalpatent/FI792126A/fi
Application grantedgrantedCritical
Publication of FI58940BpublicationCriticalpatent/FI58940B/fi
Publication of FI58940CpublicationCriticalpatent/FI58940C/fi