Patent FR-1915-481332

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  • Inventor location: Serbia (This is the sole reference, found within the original, of the inventor's nation of residence. "RS" seems thus far to be a simplification made by Espacenet.)


Year filed 1915
Year granted 1916
Office FR
Patent number 481332
Inventors Lyoubomir Boïovitch
Inventor country RU, SR
Applicant person Lyoubomir Boïovitch
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Hélicoplan
English title Helicopter-Plane (?)
Tech fields hybrid, airplane, helicopter, VTOL, ascension, propulsion, lift, landing
Filing date 1915/11/29
Full specification filed date
Application number 481332D
Grant date 1916/09/02
Granted? Yes
Publication date 1916/11/22
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent E. Wattier
Assigned to
National tech categories FR 6.4
IPCs IPC B64C23/00
CPCs CPC B64C23/005
Family year 15
First filing? No
Cites these patents
Citations from after 1930
Application ID 19298796
INPADOC family ID 5363524
Number of text pages 3
Number of diagram pages 1
Number of figures 3
Number of claims 6