Patent FR-1895-251915

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Year filed
Year granted 1895
Office FR
Patent number 251915
Inventors Hofmann
Inventor country
Applicant person
Applicant firm
Applicant type
Applicant is inventor? 1
Original title Procédé et dispositif pour densifier l'air sous les aéroplanes lors de l'élan au départ
English title Process and mechanism increasing the density of the air under airplanes during flight, acceleration, and take-off
Tech fields Airplane, Acceleration, Takeoff
Filing date
Full specification filed date
Application number
Grant date 1895-11-22
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent Blétry aîné
Assigned to
National tech categories FR 6.3
IPCs
CPCs
Family year 1895
First filing?
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
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