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.)
Nuovo Pignone Holding SpA
Original Assignee
Pignone Officine Meccanique e Fonderia SpA
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 Pignone Officine Meccanique e Fonderia SpAfiledCriticalPignone Officine Meccanique e Fonderia SpA
Application grantedgrantedCritical
Publication of FR850118ApublicationCriticalpatent/FR850118A/fr
Perfectionnements apportés aux dispositifs pour obtenir l'arrêt, à la profondeur voulue, des mines sous-marines pendant leur remontée à la surface de l'eau