Patent FR-1912-447476

From Inventing aviation
Jump to navigation Jump to search


Year filed 1912
Year granted 1912
Office FR
Patent number 447476
Inventors Henri-Hubert Pagny
Inventor country FR
Applicant person
Applicant firm Société anonyme des appareils d'aviation Hanriot
Applicant type COMPANY + INDIV
Applicant is inventor? Yes
Original title Dispositif permettant l'enlèvement rapide des hélices
English title Device allowing the rapid removal of the propellers
Tech fields airplane, propellers
Filing date 1912/08/22
Full specification filed date
Application number 447476D
Grant date 1913/10/29
Granted? Yes
Publication date 1913/01/06
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent Charles Dony
Assigned to
National tech categories FR 6.2
IPCs IPC B64C11/04
CPCs CPC B64C11/04
Family year 1912
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 19265794
INPADOC family ID 5335461
Number of text pages 2
Number of diagram pages 1
Number of figures 1
Number of claims 1