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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MARTI CRESPO LUIS
Original Assignee
MARTI CRESPO LUIS
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Application filed by MARTI CRESPO LUISfiledCriticalMARTI CRESPO LUIS
Priority to ES0053236UpriorityCriticalpatent/ES53236Y/en
Publication of ES53236UpublicationCriticalpatent/ES53236U/en
Application grantedgrantedCritical
Publication of ES53236YpublicationCriticalpatent/ES53236Y/en
The present Utility Model consists of a box or case equipped with an ordinary pencil sharpener and engraved on the lid with a multiplier rule with two decimeters graduated on both sides, all built in plastic, synthetic resin, wood or metal. Pencils, brushes, etc. are inserted into the case. By means of the cursor that runs on the cover where the different series of numbers are recorded and through a circle that leads to the left one looks at the multiplicand and through the notch of the cursor the result recorded in the multiplication table is seen. On the right side of the table are the decimeters; all this can be expanded to greater according to needs. (Machine-translation by Google Translate, not legally binding)
ES0053236U1956-03-151956-03-15
Improved box with multiplier strip
ExpiredES53236Y
(en)