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 to NL248084DpriorityCriticalpatent/NL248084A/xx
Application filedfiledCritical
Priority to NL248084Aprioritypatent/NL110869C/xx
Application grantedgrantedCritical
Publication of NL110869CpublicationCriticalpatent/NL110869C/xx
B42F17/00—Card-filing arrangements, e.g. card indexes or catalogues or filing cabinets
B42F17/34—Card-filing arrangements, e.g. card indexes or catalogues or filing cabinets with card selection means, e.g. telephone number list finders
B42F17/343—Card-filing arrangements, e.g. card indexes or catalogues or filing cabinets with card selection means, e.g. telephone number list finders with sliding movement of selected cards