Patent FR-1918-498796

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  • Supplementary to patent of GB 1917 Feb 09
  • Inventor location (imputed):

Sources


Year filed 1918
Year granted 1920
Office FR
Patent number 498796
Inventors Serge Vincent De Bolotoff
Inventor country GB
Applicant person Serge Vincent De Bolotoff
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Perfectionnements aux surfaces planes des hydroplanes
English title Improvements to the flat surfaces of hydroplanes
Tech fields
Filing date 1918-02-05
Full specification filed date
Application number 498796D
Grant date 1919-10-31
Granted? 1
Publication date 1920-01-22
Supplementary to patent
Related to aircraft?
Serial number
Patent agent
Assigned to
National tech categories FR 6.4
IPCs
CPCs CPC B64F2700/6288, CPC B64C35/00
Family year 1918
First filing? 0
Cites these patents
Citations from after 1930
Application ID 19315878
INPADOC family ID 5378859
Number of text pages
Number of diagram pages
Number of figures
Number of claims