Patent FR-1909-402335

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Year filed 1909
Year granted 1909
Office FR
Patent number 402335
Inventors Adrien Bertin
Inventor country FR
Applicant person Adrien Bertin
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Procédé de fabrication des surfaces agissant sur les fluides gazeux et supportant l'action de ceux-ci, en particulier des surfaces des hélices ou d'organes de sustentation ou d'équilibre dans les appareils d'aviation
English title Process for the manufacture of surfaces of propellers, of lift or balance members in aircraft, or of oher surfaces acting on gaseous fluids
Tech fields process, construction, manufacture, surfaces, aerofoils, propellers, lift
Filing date 1909-04-23
Full specification filed date
Application number 402335D
Grant date 1909-08-26
Granted? 1
Publication date 1909-10-05
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent Armengaud jeune
Assigned to
National tech categories FR 6.4
IPCs IPC B64C21/02
CPCs CPC Y02T50/166, CPC B64C21/02
Family year 1909
First filing? 1
Cites these patents
Citations from after 1930
Application ID 19221619
INPADOC family ID 5299539
Number of text pages 3
Number of diagram pages 1
Number of figures 7
Number of claims 3