Patent US-1913-1147294

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  • Tech class CPC B64C23/005: Influencing air-flow over aircraft surfaces
  • Inventor location: Beurrier is filing from Beurrier Thaims, near Cozes, département Charente-Inférieure, France, and Bigourdan is filing from Maisse, département Seine-et-Oise, France
  • Witnesses of the inventor signatures are different; Bigourdan seems to have been in France, whereas Beurrier perhaps not based on the names of his witnesses.
  • Bigourdan's name is confusing. It's usually Edouard Jean, but here it's Jean Edouard, and on other patents it says Edmond.

This patent is not explicitly a patent of addition, or supplemental patent, but it's got the title and diagrams of a French ancestor.

Patent family descending from Patent FR-1912-449486


Year filed 1913
Year granted 1915
Office US
Patent number 1147294
Inventors Alexis Beurrier, Jean Edouard Bigourdan
Inventor country FR
Applicant person Alexis Beurrier, Jean Edouard Bigourdan
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Aerial vehicle
English title Aerial vehicle
Tech fields Aerial vehicle
Filing date 1913/10/16
Full specification filed date
Application number 1913795605
Grant date 1915/07/20
Granted? Yes
Publication date
Supplementary to patent Patent FR-1912-449486
Related to aircraft?
Serial number 795605
Patent agent E. Dittmar
Assigned to
National tech categories USPC 244/35R, USPC 244/6
CPCs CPC B64C23/005
Family year 1912
First filing? No
Cites these patents
Citations from after 1930 1
Application ID 47724152
INPADOC family ID 44053919
Number of text pages 3
Number of diagram pages 3
Number of figures 5
Number of claims 2