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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LLORD RAMON
Original Assignee
LLORD RAMON
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
Application filed by LLORD RAMONfiledCriticalLLORD RAMON
Priority to ES0030813UpriorityCriticalpatent/ES30813U/es
Publication of ES30813UpublicationCriticalpatent/ES30813U/es
Un circuito eléctrico aplicable a cuadros y mapas escolares, caracterizado por que comprende medios por los cuales formulada una pregunta, el alumno debe proporcionar una contestación y si esta es correcta se ilumina un letrero con la mención de "Exacto" y no se ilumina si la respuesta es equivocada.
ES0030813U1952-04-231952-04-23Circuito eléctrico aaplicable a cuadros y mapas escolares
PendingES30813U
(es)