Patent US-1909-1014643
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Big propeller with two wheels containing many blades; car attached below on hinge; propellers interlock to form parachute for descent
- Tech class: CPC B64C27/82: Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft
- Inventor location: Denver, CO
Sources
- Patent 1014643 document and bibliographic info on espacenet
- Patent 1014643 at google patents
Year filed | 1909 |
---|---|
Year granted | 1912 |
Office | US |
Patent number | 1014643 |
Inventors | John J. Donnelly |
Inventor country | US |
Applicant person | John J. Donnelly |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | 1 |
Original title | Aerial vessel |
English title | Aerial vessel |
Tech fields | helicopter, propeller, wheels, car, landing, parachute, HTA |
Filing date | 1909-01-18 |
Full specification filed date | |
Application number | 1909472991 |
Grant date | 1912-01-16 |
Granted? | 1 |
Publication date | |
Supplementary to patent | |
Related to aircraft? | 1 |
Serial number | 472991 |
Patent agent | A. O. R. Boren? |
Assigned to | |
National tech categories | USPC 244/65 |
IPCs | |
CPCs | CPC B64C27/82 |
Family year | 1909 |
First filing? | 1 |
Cites these patents | |
Citations from after 1930 | 1 |
Application ID | 47496840 |
INPADOC family ID | |
Number of text pages | 3 |
Number of diagram pages | 2 |
Number of figures | 2 |
Number of claims | 3 |