Patent US-1872-129401
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Helical propellers at 45-degree angle create propulsion tubes; legs; watertight car
- Tech classification CPC B64C29/0025: Aircraft capable of landing or taking-off vertically having its flight directional axis horizontal when grounded the lift during taking-off being created by free or ducted propellers or by blowers the propellers being fixed relative to the fuselage
- Inventor location: La Porte, Laporte county, IN (FIPSloc=18091, imputed by HistPat)
Sources
- Patent 129401 document and bibliographic info on espacenet
- Patent 129401 at google patents
- Short's DB
- Archives of this patent are in the Air Ship Patents Collection at Indiana University of Pennsylvania
| Year filed | 1869 |
|---|---|
| Year granted | 1872 |
| Office | US |
| Patent number | 129401 |
| Inventors | Isaac W. Forbes |
| Inventor country | US |
| Applicant person | Isaac W. Forbes |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Improvement in aerial cars |
| English title | Aerial car |
| Tech fields | propulsion, propeller, marine, mooring |
| Filing date | 1869-08-27 |
| Full specification filed date | |
| Application number | |
| Grant date | 1872-07-16 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | USPC 244/23R |
| IPCs | IPC B64C29/00 |
| CPCs | CPC B64C29/0025 |
| Family year | 1872 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 45777500 |
| INPADOC family ID | |
| Number of text pages | 3 |
| Number of diagram pages | 1 |
| Number of figures | 4 |
| Number of claims | 1 |
