Patent FR-1909-399403

From Inventing aviation
Jump to navigation Jump to search

Sources


Year filed 1909
Year granted 1909
Office FR
Patent number 399403
Inventors Joseph Kieffer
Inventor country FR
Applicant person Joseph Kieffer
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Dispositif d'équilibrage automatique des aéroplanes
English title Device for automatic equilibrium on aeroplanes
Tech fields equilibrium, balance, stability, automatic stability, airplane
Filing date 1909/02/11
Full specification filed date
Application number 399403D
Grant date 1909/04/21
Granted? Yes
Publication date 1909/06/28
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent H. Elluin
Assigned to
National tech categories FR 6.4
IPCs IPC B64C17/00
CPCs CPC B64C2700/6212, CPC B64C17/00
Family year 1909
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 19218764
INPADOC family ID 5297067
Number of text pages 2
Number of diagram pages 1
Number of figures 6
Number of claims 1