Patent FR-1911-425455

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Year filed 1911
Year granted 1911
Office FR
Patent number 425455
Inventors David Palmgren
Inventor country US
Inventor location
Applicant person David Palmgren
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Aéroplane perfectionné
English title Perfected airplane
Tech fields
Filing date February 1, 1911
Full specification filed date
Application number 425455D
Grant date April 5, 1911
Granted? Yes
Publication date June 12, 1911
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent Gaston Rose
Assigned to
National tech categories
IPCs IPC B64C3/42
CPCs CPC B64C3/42
Family year 1911
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 19244233
INPADOC family ID 5317106
Number of text pages 8
Number of diagram pages 1
Number of figures 10
Number of claims 1