Patent FR-1920-503400

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Year filed 1917
Year granted 1920
Office FR
Patent number 503400
Inventors Henri-Joseph-Leon-Ma.. CHEVARDI
Inventor country FR
Inventor location
Applicant person HENRI JOSEPH LEON MARIE LA CHEVARDIERE LA GR
Applicant firm
Applicant type INDIV
Applicant is inventor? 0
Original title
English title
Tech fields
Filing date 1917-05-25
Full specification filed date
Application number 503400D
Grant date 1920-06-09
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories
IPCs
CPCs CPC B64C11/16
Family year 1917
First filing? 1
Cites these patents
Citations from after 1930
Application ID 19320360
INPADOC family ID 10300017
Number of text pages
Number of diagram pages
Number of figures
Number of claims

Sources