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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Priority to ES100448UpriorityCriticalpatent/ES100448U/en
Publication of ES100448UpublicationCriticalpatent/ES100448U/en
Set of constructions, composed of a plurality of pieces of various types, in varying numbers and different colors or transparent, which are characterized by an important group of these pieces have rectangular prismatic shape, lacking a face, of equal height all of them, and also of identical length, its width being variable and proportional in the ratio of 1, 2 and 4, offering on its upper face a plurality of tiny circular ridges, aligned in rows and rows. (Machine-translation by Google Translate, not legally binding)
ES100448U1963-07-061963-07-06Set of constructions (Machine-translation by Google Translate, not legally binding)
PendingES100448U
(en)
Improvements introduced in the manufacture of construction elements that include perforations (Machine-translation by Google Translate, not legally binding)