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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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES1972181228UpriorityCriticalpatent/ES181228Y/es
Publication of ES181228UpublicationCriticalpatent/ES181228U/es
Application grantedgrantedCritical
Publication of ES181228YpublicationCriticalpatent/ES181228Y/es
Puntal para minas perfeccionado, caracterizado porque está constituido por un cuerpo provisto de una carcasa en cuyo interior se halla un cilindro que aloja a un émbolo que está provisto de medios, con los que desde el exterior se pueda accionar manualmente para que se produzca su desplazamiento, estando cerrado por una cabeza del puntal y una pieza de cierre, que se pueden desmontar para introducir el fluido hidráulico.
ES1972181228U1972-06-071972-06-07Puntal para minas perfeccionado.
ExpiredES181228Y
(es)