Patent FR-1912-447477

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Year filed 1912
Year granted 1913
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, control, stability
Filing date August 22, 1912
Full specification filed date
Application number 447477D
Grant date January 6, 1913
Granted? Yes
Publication date
Supplementary to patent
Related to aircraft?
Serial number
Patent agent
Assigned to
National tech categories FR 6.4
IPCs
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
Number of diagram pages
Number of figures
Number of claims