Patent FR-1912-438524

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Year filed 1911
Year granted 1912
Office FR
Patent number 438524
Inventors Paul DUCASTEL
Inventor country FR
Inventor location
Applicant person Paul DUCASTEL
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title
English title
Tech fields
Filing date 1911-11-24
Full specification filed date
Application number 438524D
Grant date 1912-05-20
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories
IPCs
CPCs CPC B64C23/005, CPC B64C2700/6274
Family year 1911
First filing? 0
Cites these patents
Citations from after 1930
Application ID 19257018
INPADOC family ID 5327974
Number of text pages
Number of diagram pages
Number of figures
Number of claims

Sources