Patent FR-1912-449486

From Inventing aviation
Jump to navigation Jump to search
Patent FR-1912-449486 Diagram Page I
Patent FR-1912-449486 Diagram Page II


Patent family descending from Patent FR-1912-449486

Year filed 1912
Year granted 1912
Office FR
Patent number 449486
Inventors Édouard-Jean Bigourdan, Alexis Beurrier
Inventor country FR
Applicant person Édouard-Jean Bigourdan, Alexis Beurrier
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Véhicule aérien
English title Aerial vehicle
Tech fields helicopter
Filing date 1912/10/16
Full specification filed date
Application number 449486D
Grant date 1912/12/24
Granted? Yes
Publication date 1913/02/27
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent de Bongé
Assigned to
National tech categories FR 6.4
IPCs IPC B64C27/04
CPCs CPC B64C29/0025, CPC B64C2700/6281, CPC B64C39/06
Family year 1912
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 19267754
INPADOC family ID 5337157
Number of text pages 4
Number of diagram pages 2
Number of figures 5
Number of claims 1