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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES0043901UpriorityCriticalpatent/ES43901Y/es
Publication of ES43901UpublicationCriticalpatent/ES43901U/es
Application grantedgrantedCritical
Publication of ES43901YpublicationCriticalpatent/ES43901Y/es
Máquina de calcular de discos que comprende: una caja y una tapa, una serie de discos con un número de orificios correspondientes a los nueve primeros números y frente a cada disco presenta la tapa una muesca para la observación de los resultados.
ES0043901U1954-09-101954-09-10Máquina de calcular de discos
ExpiredES43901Y
(es)