Patent FR-1911-435648.16544

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Patent family descending from Patent FR-1911-435648.16544


Year filed 1911
Year granted 1912
Office FR
Patent number 16544
Inventors Adolphe-François-Joseph Doutre
Inventor country FR
Applicant person Adolphe-François-Joseph Doutre
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Perfectionnements aux machines aéronautiques
English title Improvements to flying machines, particularly transverse equilibrium as aided by way of movable surfaces
Tech fields Equilibrium, Aerodynamics
Filing date 1911-12-13
Full specification filed date
Application number 16544D
Grant date 1912-12-17
Granted? 1
Publication date 1913-02-21
Supplementary to patent Patent FR-1910-435648
Related to aircraft? 1
Serial number
Patent agent Paul Coulomb
Assigned to
National tech categories FR 6.4
IPCs IPC B64C39/00
CPCs CPC B64C2700/6295, CPC B64C39/00
Family year 1910
First filing? 0
Cites these patents
Citations from after 1930
Application ID 18727318
INPADOC family ID 5200093
Number of text pages 2
Number of diagram pages 1
Number of figures 2
Number of claims