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
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES0043901UpriorityCriticalpatent/ES43901Y/en
Publication of ES43901UpublicationCriticalpatent/ES43901U/en
Application grantedgrantedCritical
Publication of ES43901YpublicationCriticalpatent/ES43901Y/en
Disc calculating machine comprising: a box and a lid, a series of discs with a number of holes corresponding to the first nine numbers and in front of each disc presents the lid a notch for the observation of the results. (Machine-translation by Google Translate, not legally binding)
ES0043901U1954-09-101954-09-10
Disk Calculating Machine
ExpiredES43901Y
(en)