Patent DE-1918-389277

• Inventor location: Berlin

Sources

• Original patent document and Bibliographic info at DPMA
• Original patent document and bibliography entry at espacenet

Within the German system, this patent is both a parent and an addition. It is an addition to Patent DE-1918-388537.

In keeping with our observations on patent dates, we are treating the "Patentirt im Deutschen Reiche vom" 1918-07-24 shown on this original as exactly one day after the filing date.

Patent family descending from Patent DE-1918-389277

• Patent DE-1918-389277 (English title: Control device for aircraft and watercraft with two main control surfaces moving in opposite directions, Supplementary to patent: Patent DE-1918-388537, National tech categories: DE 77h.5)
• Patent DE-1918-390219 (English title: Auxiliary control arrangement, Supplementary to patent: Patent DE-1918-389277 • Patent DE-1918-388537, National tech categories: DE 77h.5)

Year filed	1918
Year granted
Office	DE
Patent number	389277
Inventors	Anton Flettner
Inventor country	DE
Applicant person	Anton Flettner
Applicant firm
Applicant type	INDIV
Applicant is inventor?	Yes
Original title	Steuereinrichtung fuer Luft- und Wasserfahrzeuge mit zwei sich in entgegengesetztem Sinne bewegenden Hauptsteuerflaechen
English title	Control device for aircraft and watercraft with two main control surfaces moving in opposite directions
Tech fields	control, airplane
Filing date	1918/07/23
Full specification filed date
Application number	F0043453
Grant date	1924/01/28
Granted?	Yes
Publication date	1924/01/28
Supplementary to patent	Patent DE-1918-388537
Related to aircraft?	1
Serial number
Patent agent
Assigned to
National tech categories	DE 77h.5
IPCs	IPC B64C13/00
CPCs	CPC B64C2700/6259, CPC B64C13/00
Family year	1918
First filing?	No
Cites these patents
Citations from after 1930
Application ID	12033118
INPADOC family ID	21554532
Number of text pages	2
Number of diagram pages	1
Number of figures	2
Number of claims	3