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Individual
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Individual
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Priority to ES1972178486UpriorityCriticalpatent/ES178486Y/en
Publication of ES178486UpublicationCriticalpatent/ES178486U/en
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Publication of ES178486YpublicationCriticalpatent/ES178486Y/en
Sound device for propaganda, characterized essentially by the fact of being constituted by a sheet of regular configuration, delimited by transverse grooves that allow its doubling to form a prismatic box, constitutive of the set's resonance box, because said device also has a flat part of support to the firm, to which is fixed a disc with possibility of rotation, action that is done manually through a button of action, going on said disc recorded some advertising phrases, and because in the lower edge of the above mentioned resonance box there is a needle operatively arranged to be supported on the disc to which it is made to sound, and also because the back face of the prism and the support face, they have respective surfaces delimited by holes and slots, apt to link in the same a useful elastic band to keep the resonance box in working position. (Machine-translation by Google Translate, not legally binding)
ES1972178486U1972-03-201972-03-20
SOUND DEVICE FOR PROPAGANDA.
ExpiredES178486Y
(en)
Device for fixing a recessed element in the form of a plate or tray in a trimming of a plate. (Machine-translation by Google Translate, not legally binding)