ES21995U - Instrument called "harmonica", of an organization perfected. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Instrument called "harmonica", of an organization perfected. (Machine-translation by Google Translate, not legally binding)
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Individual
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Priority to ES0021995UpriorityCriticalpatent/ES21995Y/en
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Publication of ES21995YpublicationCriticalpatent/ES21995Y/en
An instrument called "harmonica", of improved organization, characterized by the fact that the way in which it is executed, consists in flattening, laterally, several pieces of synthetic plastic material, thermo-plastic or artificial resin, in which the central piece is a wide-barred comb, the two side plates are pieces equipped with narrow transverse windows parallel to each other, and in these windows are also covering their recesses tabs made of synthetic material or thermo-plastic, which present in their area extreme or free, increasing thickness adequate to achieve the own inertia for the vibration corresponding to the note that they have to emit. (Machine-translation by Google Translate, not legally binding)
ES0021995U1950-01-231950-01-23
Instrument called "harmonica", with perfected organization.
ExpiredES21995Y
(en)