Patent DE-1918-323410
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(This is not only a biplane, but its two separate propellers are connected to separate and horizontally distinct bodies situated in parallel !)
- Inventor location: Berlin-Johannisthal
| Year filed | |
|---|---|
| Year granted | 1918 |
| Office | DE |
| Patent number | 323410 |
| Inventors | Rumpler-Werke A.-G. in Berlin-Johannisthal |
| Inventor country | DE |
| Inventor location | |
| Applicant person | |
| Applicant firm | Rumpler-Werke A.-G. in Berlin-Johannisthal |
| Applicant type | COMPANY |
| Applicant is inventor? | Yes |
| Original title | Flugzeug mit zwei Triebschrauben |
| English title | Aircraft engines with two propellers |
| Tech fields | motors, construction, frame, design, biplane, propeller |
| Filing date | August 8, 1918 |
| Full specification filed date | |
| Application number | 323410D |
| Grant date | August 8, 1918 |
| Granted? | Yes |
| Publication date | July 26, 1920 |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | DE 77h.5 |
| IPCs | IPC B64C39/04 |
| CPCs | CPC B64C39/04 |
| Family year | 1918 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 10635020 |
| INPADOC family ID | 10060314 |
| Number of text pages | 3 |
| Number of diagram pages | 1 |
| Number of figures | 7 |
| Number of claims | 2 |
