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.)
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 DEB170848Dexternal-prioritypatent/DE651072C/de
Application filedfiledCritical
Application grantedgrantedCritical
Publication of FR809701ApublicationCriticalpatent/FR809701A/fr
FR809701D1935-08-241936-08-22Perfectionnements apportés aux engins de navigation aérienne ou aquatique, du type à ailes battantes
ExpiredFR809701A
(fr)