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Ara S A Prod
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Ara S A Prod
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Priority to ES0023896UpriorityCriticalpatent/ES23896U/en
Publication of ES23896UpublicationCriticalpatent/ES23896U/en
A device for propaganda and elementary didactic effects, characterized by constituting a bottom plate -1- whose front face contains a permanently visible pattern, on whose plate another (2) of a transparent material is superimposed, containing with little visible features the to be provided with a suitable background, a pattern that visually replaces that of the bottom plate (1) in the space affected by a cursor (3) that when traveling carries a sheet (4) of opaque material that slides between the plates (1) and 2) cited as a background to the transparent and another that slides on said transparent plate provided with a peephole (5) that can frame or not a transparent sheet, all on purpose so that when moving the cursor is going to be hidden under the opaque sheet that drags, the pattern contained in the bottom plate (1) and visible on the bottom of said sheet and through the peephole of the sheet sliding on the transparent plate (2), the drawing that contains this one. (Machine-translation by Google Translate, not legally binding)
ES0023896U1950-06-201950-06-20Device for propaganda and elementary didactic purposes (Machine-translation by Google Translate, not legally binding)
PendingES23896U
(en)