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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Empresa Nacional de Optica SA
Original Assignee
Empresa Nacional de Optica SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Empresa Nacional de Optica SAfiledCriticalEmpresa Nacional de Optica SA
Priority to ES1971167041UpriorityCriticalpatent/ES167041Y/en
Publication of ES167041UpublicationCriticalpatent/ES167041U/en
Application grantedgrantedCritical
Publication of ES167041YpublicationCriticalpatent/ES167041Y/en
Set of cubes or polyhedrons of assemblable walls, characterized by comprising plates of suitable shape and dimensions, which are provided on the face to be internal, and approximately in the center of each side, of a series or groups of pivots, preferably groups of two, which are out of phase with respect to those on the opposite side, to allow interleaving one another and verify the retention when the plates are joined, it being also provided that the edges of said internal face are beveled to effect a miter joint that improves the joint. (Machine-translation by Google Translate, not legally binding)
ES1971167041U1971-03-171971-03-17
SETS OF CUBES OR POLYHEDERS WITH ASSEMBLY WALLS.
ExpiredES167041Y
(en)