Patent FR-1912-447477

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Patent family descending from Patent FR-1912-447477


Year filed 1912
Year granted 1912
Office FR
Patent number 447477
Inventors Roger Sommer
Inventor country FR
Applicant person Roger Sommer
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Système de commande de sureté pour la stabilité longitudinale des aéroplanes
English title Safety command system for airplane longitudinal stability
Tech fields safety, stability, airplane, rudder, steering
Filing date 1912/08/22
Full specification filed date
Application number 447477D
Grant date 1912/10/29
Granted? Yes
Publication date 1913/01/06
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent Armengaud jeune
Assigned to
National tech categories FR 6.4
IPCs IPC B64C13/00
CPCs CPC B64C2700/6256, CPC B64C13/00
Family year 1912
First filing? No
Cites these patents
Citations from after 1930
Application ID 19265795
INPADOC family ID 5335462
Number of text pages 2
Number of diagram pages 1
Number of figures 3
Number of claims 4