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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Rocalla SA
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Rocalla SA
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Publication date
Application filed by Rocalla SAfiledCriticalRocalla SA
Priority to ES0000918UpriorityCriticalpatent/ES918Y/es
Publication of ES918UpublicationCriticalpatent/ES918U/es
Application grantedgrantedCritical
Publication of ES918YpublicationCriticalpatent/ES918Y/es
La propiedad y la explotación exclusiva de un perfeccionamiento de las tuberías de cemento y amianto, que consiste esencialmente en construir la parte extrema de cada elemento de tales tuberías enchufable en el extremo de otro elemento, de modo que presente una reducción de diámetro que permita obtener el enchufe sin necesidad de que el elemento al cual se enchufa deba tener su boca receptora de mayor diámetro que el cuerpo de la tubería.
ES0000918U1932-03-231932-03-23Tuberías de cemento y amianto.
ExpiredES918Y
(es)