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 US335507Aexternal-prioritypatent/US3221923A/en
Priority claimed from US336958Aexternal-prioritypatent/US3251503A/en
Application filed by Continental Can CofiledCriticalContinental Can Co
Publication of DK114675BpublicationCriticalpatent/DK114675B/da