Patent US-1923-1449860
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A rudder that can move on a "horizontal axis" and swung by a pedal, to control direction of aeroplane.
- Tech class CPC B64C13/00: Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers
- Inventor location: Both "residing at Utica, in the county of Oneida and State of New York."
Sources
- Patent 1449860 document and bibliographic info on espacenet
- Patent 1449860 at google patents
| Year filed | 1918 |
|---|---|
| Year granted | 1923 |
| Office | US |
| Patent number | 1449860 |
| Inventors | James S. Johnston, Millard L. Johnston |
| Inventor country | US |
| Applicant person | James S. Johnston, Millard L. Johnston |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Aeroplane |
| English title | Aeroplane |
| Tech fields | control, steering, rudder |
| Filing date | 1918-01-28 |
| Full specification filed date | |
| Application number | 21420118 |
| Grant date | 1923-03-27 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | 214201 |
| Patent agent | Thomas L. Wilder |
| Assigned to | |
| National tech categories | USPC 244/231, USPC 244/234 |
| IPCs | IPC B64C13/00 |
| CPCs | CPC B64C13/00, CPC B64C2700/6256 |
| Family year | 1918 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 0 |
| Application ID | 48713984 |
| INPADOC family ID | 44378765 |
| Number of text pages | 3 |
| Number of diagram pages | 3 |
| Number of figures | 13 |
| Number of claims | 5 |
