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.)
Rivas Kriechbaum Francisco
Original Assignee
Rivas Kriechbaum Francisco
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 Rivas Kriechbaum FranciscofiledCriticalRivas Kriechbaum Francisco
Priority to ES0188331UpriorityCriticalpatent/ES188331U/en
Publication of ES188331UpublicationCriticalpatent/ES188331U/en
Cross slab, of the type comprising a series of parallel joists for the support of the vaults, as well as grooved parts between the vaults, in a direction perpendicular to the joists, and supported on said vaults, characterized in that the joists comprise a ceramic base in the form of a channel provided internally with a longitudinal partition, at least, and in that the corrugated pieces have, internally, along their walls, respective opposing central projections that determine an intermediate widening. (Machine-translation by Google Translate, not legally binding)
ES0188331U1973-02-051973-02-05Cross slab (Machine-translation by Google Translate, not legally binding)
PendingES188331U
(en)
Improvements in the manufacture of battery formwork for the construction of finished parts of concrete. (Machine-translation by Google Translate, not legally binding)
Constructive element for the manufacture of drainage ducts resistant to ascensional push. (Machine-translation by Google Translate, not legally binding)