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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Noguera Vintro SA
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Noguera Vintro SA
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Application filed by Noguera Vintro SAfiledCriticalNoguera Vintro SA
Priority to ES78089UpriorityCriticalpatent/ES78089Y/en
Publication of ES78089UpublicationCriticalpatent/ES78089U/en
Application grantedgrantedCritical
Publication of ES78089YpublicationCriticalpatent/ES78089Y/en
Plumier with optical-kinematic cover, characterized in that it presents on its cover, rotating sets of points, representing the same figure in different positions, seen through a transparent sheet whose external surface forms a succession of fine curvilinear prisms, so that By deflecting the angle of refraction of the visual, caused by the rotation of the lid of the plumier, there is a sensation of movement in the figures of the drawing by perceiving successively the different positions that compose them. (Machine-translation by Google Translate, not legally binding)
ES78089U1959-12-221959-12-22
Pencil case with optical-kinematic cap
ExpiredES78089Y
(en)