Patent GB-1917-129681

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  • Inventor location: Engineer, at 15-17 rue Paire, Mendon, Seine-et-Oise

Parent appears to be Patent FR-1916-510210 but let's check the figures.

Patent family descending from Patent FR-1916-510210

Sources


Year filed 1917
Year granted 1919
Office GB
Patent number 129681
Inventors Émile Letord
Inventor country FR
Applicant person Émile Letord
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Improvements in Controlling Gear for Aeroplanes
English title Controlling gear for aeroplanes
Tech fields control, instrument
Filing date 1917/11/23
Full specification filed date
Application number 1732617
Grant date 1919/07/24
Granted? Yes
Publication date
Supplementary to patent Patent FR-1916-510210
Related to aircraft? 1
Serial number
Patent agent Herbert Haddan & Co.
Assigned to
National tech categories
IPCs IPC B64C13/24
CPCs CPC B64C13/24
Family year 1916
First filing? No
Cites these patents
Citations from after 1930
Application ID 21825028
INPADOC family ID 10968478
Number of text pages 2
Number of diagram pages 1
Number of figures 3
Number of claims 3