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SOTERAS GUIRBAU ISIDRO
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SOTERAS GUIRBAU ISIDRO
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Application filed by SOTERAS GUIRBAU ISIDROfiledCriticalSOTERAS GUIRBAU ISIDRO
Priority to ES1983272666UpriorityCriticalpatent/ES272666U/en
Publication of ES272666UpublicationCriticalpatent/ES272666U/en
Card for correspondence, of the type consisting of a sheet of two sheets, particularly applicable to postal congratulations, characterized because it is constituted by a sheet of thick paper or cardboard, folded on itself in two longitudinal folds that determine three planes and provided with a self-powered energetic microcircuit of small dimensions, enclosed between the two planes of the first fold superimposed and glued together and constituting the second sheet of the sheet, said microcircuit being activated when tensioning a tape attached at one end to the microcircuit and the other end to a point of the third plane, which constitutes the first sheet of the sheet, said tape being arranged so that it is loosened when the first sheet is folded over the second sheet and tensioned when the first sheet is folded at substantially equal angle or higher than 90º with respect to the second sheet, all this so that ho microcircuit, when activated, emits a musical melody. (Machine-translation by Google Translate, not legally binding)
ES1983272666U1983-05-201983-05-20Card for correspondence (Machine-translation by Google Translate, not legally binding)
PendingES272666U
(en)