Patent FR-1919-492466

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  • Parent patent filed 1915-10-25. He filed two that day, but we can see the right one which is (a) for hydroplanes, and (b) has the same diagrams as this one.

Patent family descending from Patent GB-1915-15085


Year filed 1916
Year granted 1919
Office FR
Patent number 492466
Inventors Thomas Sloper
Inventor country GB
Applicant person Thomas Sloper
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Perfectionnements apportés aux hydroaéroplanes
English title Improvements to hydroaeroplanes
Tech fields hydroaeroplane
Filing date 1916-10-12
Full specification filed date
Application number 492466D
Grant date 1919-03-21
Granted? 1
Publication date 1919-07-09
Supplementary to patent Patent GB-1915-15085
Related to aircraft? 1
Serial number
Patent agent J. Bonnet-Thirion et Breton
Assigned to
National tech categories FR 6.4
IPCs IPC B64C35/00
CPCs CPC B64F2700/6261, CPC B64C35/00
Family year 1915
First filing? 0
Cites these patents
Citations from after 1930
Application ID 19309678
INPADOC family ID 5373310
Number of text pages 3
Number of diagram pages 1
Number of figures 4
Number of claims 1