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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johannes Silberkuhl wilhelm
Original Assignee
Johannes Silberkuhl wilhelm
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 Johannes Silberkuhl wilhelmfiledCriticalJohannes Silberkuhl wilhelm
Publication of ES146327UpublicationCriticalpatent/ES146327U/es
Application grantedgrantedCritical
Publication of ES146327YpublicationCriticalpatent/ES146327Y/es
Elemento de hormigón armado prefabricado para cubetas autosustentadoras de tejados, caracterizado porque el mismo está realizado como viga plana curvada hiperbólicamente con planta horizontal y armaduras pretensadas diagonales.
ES1969146327U1968-08-141969-03-07Elemento de hormigon armado prefabricado para cubiertas au-tosustentadoras de tejados.
ExpiredES146327Y
(es)