Patent FR-1912-443586.15906

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(Reference is made herein to Belgian "perfectionnement" to which this certificate of addition is analogous. The "perfectionnement" was filed 22 April 1912.)

  • Inventor location: Belgium


Year filed 1912
Year granted 1912
Office FR
Patent number 15906
Inventors Ernest Gérard
Inventor country BE
Applicant person Ernest Gérard
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title 1er certificat d'addition au brevet pris, le 8 mai 1912, pour aéroplanes auto-équilibrés
English title 1st certificate of addition to the patent taken, 8 May 1912, for self-balancing
Tech fields airplane, stability, equilibrium
Filing date May 8, 1912
Full specification filed date
Application number 15906D
Grant date July 27, 1912
Granted? Yes
Publication date October 19, 1912
Supplementary to patent Patent FR-1912-443586, Patent BE-1912-perf Ernest Gérard
Related to aircraft? Yes
Serial number 1
Patent agent J. Bonnet-Thirion
Assigned to
National tech categories BE K
IPCs IPC B64C1/00, IPC B64C17/00
CPCs CPC B64C17/00
Family year 1911
First filing? No
Cites these patents
Citations from after 1930
Application ID 18726569
INPADOC family ID 5199807
Number of text pages 2
Number of diagram pages 1
Number of figures 1
Number of claims