Patent US-1905-908794
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Framework; mostly propellers, independently adjustable; "auxiliary steering propeller"
- 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: Malden, Middlesex county, MA, US (FIPSloc=25017, imputed by HistPat)
- Patent agent or agency has a long name in hard-to-read cursive
Sources
- Patent 908794 document and bibliographic info on espacenet
- Patent 908794 at google patents
- Neilson, 1910, Aeroplane Patents, p77
| Year filed | 1905 |
|---|---|
| Year granted | 1909 |
| Office | US |
| Patent number | 908794 |
| Inventors | George Alphonzo Metcalf |
| Inventor country | US |
| Applicant person | George Alphonzo Metcalf |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Aeronautic apparatus |
| English title | Aeronautic apparatus |
| Tech fields | helicopter, frame, propulsion, propeller, navigation |
| Filing date | 1905-10-16 |
| Full specification filed date | |
| Application number | 1905282899 |
| Grant date | 1909-01-05 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | 282899 |
| Patent agent | Wright, Brown, Quimby & May |
| Assigned to | |
| National tech categories | USPC 244/17.21 |
| IPCs | IPC B64C27/00 |
| CPCs | CPC B64C27/82 |
| Family year | 1905 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 0 |
| Application ID | 47150720 |
| INPADOC family ID | 43765713 |
| Number of text pages | 2 |
| Number of diagram pages | 2 |
| Number of figures | 5 |
| Number of claims | 7 |
