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.)
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Individual
Original Assignee
Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES204517ApriorityCriticalpatent/ES204517A3/es
Publication of ES204517A3publicationCriticalpatent/ES204517A3/es
ES204517A1952-07-141952-07-14Perfeccionamientos en los intercalarios utilizados en la clasificación del tipo de fichas verticales visibles
ExpiredES204517A3
(es)