Patent FR-1911-423944

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Year filed 1910
Year granted 1911
Office FR
Patent number 423944
Inventors Oscar DOUILLET
Inventor country FR
Inventor location
Applicant person OSCAR DOUILLET
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title
English title
Tech fields
Filing date 1910-12-17
Full specification filed date
Application number 423944D
Grant date 1911-05-01
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories
IPCs
CPCs CPC B64C3/52
Family year 1910
First filing? 0
Cites these patents
Citations from after 1930
Application ID 19242756
INPADOC family ID 5315827
Number of text pages
Number of diagram pages
Number of figures
Number of claims

Sources