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
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