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 ES98401UpriorityCriticalpatent/ES98401Y/es
Publication of ES98401UpublicationCriticalpatent/ES98401U/es
Application grantedgrantedCritical
Publication of ES98401YpublicationCriticalpatent/ES98401Y/es
Útil de dibujo perfeccionado, caracterizado esencialmente por el hecho de comprender un mango que se rosca a una pieza base, comportadora de la pieza trazadora de tipo cambiable, la cual es de forma lenticular y de perfil adecuado a cada uso, dispuesta loca sobre un eje transversal, sobre el que gira al deslizar sobre el papel, tomando la tinta de una materia de tipo esponjosa situada en la base de la carga y con la que se halla en contacto tangencial.
ES98401U1963-03-201963-03-20Útil de dibujo perfeccionado
ExpiredES98401Y
(es)