Patent FR-1910-415524

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Year filed 1910
Year granted 1910
Office FR
Patent number 415524
Inventors Frederick James Hargreaves, Samuel Percival, Albert Jones
Inventor country GB, GB, GB
Applicant person Frederick James Hargreaves, Samuel Percival, Albert Jones
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Appareil équilibreur perfectionné pour machines aériennes et autres
English title Improved balance apparatus for aerial and other machines
Tech fields stability
Filing date May 4, 1910
Full specification filed date
Application number 415524D
Grant date July 13, 1910
Granted? Yes
Publication date September 28, 1910
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories FR 6.4
IPCs IPC B64C1/00, IPC B64C17/06
CPCs CPC B64C17/06
Family year 1910
First filing? No
Cites these patents
Citations from after 1930
Application ID 19234520
INPADOC family ID 5308752
Number of text pages 6
Number of diagram pages 12
Number of figures 17
Number of claims 9