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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AMESCUA MARTIN
URZAINQUI ERRO MANUEL
Original Assignee
AMESCUA MARTIN
URZAINQUI ERRO MANUEL
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Filing date
Publication date
Application filed by AMESCUA MARTIN, URZAINQUI ERRO MANUELfiledCriticalAMESCUA MARTIN
Priority to ES0069648UpriorityCriticalpatent/ES69648Y/en
Publication of ES69648UpublicationCriticalpatent/ES69648U/en
Application grantedgrantedCritical
Publication of ES69648YpublicationCriticalpatent/ES69648Y/en
It is claimed electric multiplication table, characterized by a box of square shape, which forms a single body, except for the base to open it or close it, in which, the upper part and bounded on its entire perimeter by a strip by way of The rest of the surface is subdivided by eight vertical parallel lines and eight horizontally parallel lines, which when crossed perpendicularly form and determine eighty and one grid as well as in the upper part, nine keys or pegs coincide with the heads of the vertical columns, numbered from 1 to 9, and also the same on the side of the box, in relation to the heads of the horizontal bands. (Machine-translation by Google Translate, not legally binding)
ES0069648U1958-11-121958-11-12
Electric multiplication table
ExpiredES69648Y
(en)