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.)
FRANCIS WITTGENSTEIN
Original Assignee
FRANCIS WITTGENSTEIN
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
Priority claimed from CH778066Aexternal-prioritypatent/CH455413A/fr
Priority claimed from CH1038466Aexternal-prioritypatent/CH472004A/fr
Priority claimed from CH1711966Aexternal-prioritypatent/CH469940A/fr
Application filed by FRANCIS WITTGENSTEINfiledCriticalFRANCIS WITTGENSTEIN
Publication of ES341044A1publicationCriticalpatent/ES341044A1/es
ES341044A1966-05-271967-05-26Perfeccionamientos en sistemas de proteccion contra los es-capes de oleoductos o conducciones similares.
ExpiredES341044A1
(es)