Patent FR-1910-410140.12452

This is the 1st addition to Patent FR-1909-410140‎‎, which brevet was filed 1909-12-08.

Reference is also made to a German patent(likely an analogous patent of addition), filed 1910-01-29.

This is a double stabilizer-propeller, correcting some problems which arose (experimentally?) with the use of the original.

Sources

• ONPI additions catalog hosted at Google Books
• Original patent document and bibliography entry on espacenet (This patent has only partial bibliographic data on Espacenet, not even the title, though the number does check out, and is not contradicted elsewhere, and IPC and CPC classification data is presented.)
• Inventor location: Germany

Year filed	1910
Year granted	1910
Office	FR
Patent number	410140.12452
Inventors	Gustav Mees
Inventor country	DE
Applicant person	Gustav Mees
Applicant firm
Applicant type	INDIV
Applicant is inventor?	Yes
Original title	Procédé et dispositifs pour stabiliser automatiquement, gouverner en hauteur, et faciliter le démarrage des appareils volants
English title	Method and mechanisms for automatically stabilizing, steering in flight, and facilitating the takeoff of flying machines
Tech fields	airplane, stability, gyroscope, propeller, takeoff, hybrid
Filing date	1910/02/12
Full specification filed date
Application number
Grant date	1910/07/05
Granted?	Yes
Publication date	1910/09/23
Supplementary to patent	Patent FR-1909-410140, Patent DE-1910-01-29 Gustav Mees
Related to aircraft?	Yes
Serial number
Patent agent	Schwab
Assigned to
National tech categories	FR 6.4
IPCs	IPC B64C27/00
CPCs	CPC B64C27/00
Family year	1909
First filing?	No
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages	2
Number of diagram pages	1
Number of figures	3
Number of claims	2