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.)
Francke David Otto
Original Assignee
Francke David Otto
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 Francke David OttofiledCriticalFrancke David Otto
Priority to ES1974ApriorityCriticalpatent/ES1974A1/es
Publication of ES1974A1publicationCriticalpatent/ES1974A1/es
Planchas lisas y acanaladas y piezas decorativas, todo ello impermeable del material conocido con el nombre de zopissa, o bien de cartón, de pastas de papel, de madera y también de cartón piedra, ello aplicable a la construcción de cielo-rasos, techos, cu