Patent RU-1909-21761

Some illustrations exactly match Patent FR-1909-403985; others match Patent FR-1909-404954. Note that Plaisant has another patent from the same year, Patent FR-1909-404484, which isn't available online.

• Inventor location: Парижѣ / Paris
• Filed 1909-10-30 J = 1909-11-12 G
• Granted 1912-06-23 J = 1912-07-06 G
• This application received a protection certificate based on Article 198/7 of the 1906 Industrial Law – Охранительныя свидѣтельства, выданныя на основании ст. 198/7 уст. о промышленности (прод. св. зак. Рос. Имп. 1906 г. ч. 4).

Sources

• Rosenzweig, 1917, Systematic collection of patents issued in Russia
• Свод привилегий, выданных в России в 1912 г. Издание Отдела Промышленности. - Санкт-Петербургъ : Типография В. Киршбаума, д. М-ва финансов, на Дворц. площ., 1912. - Вып. VI (via VPTB)
  • Описание стабилизирующего приспособления для аэропланов /
  • владелец охранного документа Г. Плезан

Year filed	1909
Year granted	1912
Office	RU
Patent number	21761
Inventors	Gustave Plaisant
Inventor country	FR
Applicant person	Г. Плезан, Gustave Plaisant
Applicant firm
Applicant type	INDIV
Applicant is inventor?	1
Original title	Описание стабилизирующего приспособления для аэропланов
English title	Stabilizing apparatus for airplane
Tech fields	airplane, stability
Filing date	1909-11-12
Full specification filed date
Application number
Grant date	1912-07-06
Granted?	1
Publication date
Supplementary to patent	Patent FR-1909-403985, Patent FR-1909-404954
Related to aircraft?	1
Serial number	41279
Patent agent
Assigned to
National tech categories	RU Group V
IPCs
CPCs
Family year	1909
First filing?	0
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages	3
Number of diagram pages	1
Number of figures	14
Number of claims	2