Patent DE-1913-290120
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This patent describes a hollow propeller shaft with opening big enough that a gun can be fired through it.
Patents which are supplementary to this one
- Patent FR-1913-461454 (English title: Propeller-powered aerial vehicle, Filing date: 1913-08-18)
- Patent GB-1913-20921 (English title: Aerial Craft, Filing date: 1913-09-16)
- Patent AT-1913-67459 (English title: Aircraft, Filing date: 1913-09-04)
- Patent HU-1913-67745 (English title: Equipment on aircraft, Filing date: 1913-09-06)
- Patent DE-1913-293131 (English title: Propeller-driven aircraft with hollow propeller-shaft, Filing date: 1913-12-20)
Sources
- Original patent document and Bibliographic info at DPMA
- Original patent document and bibliography entry at espacenet
| Year filed | 1913 |
|---|---|
| Year granted | 1921 |
| Office | DE |
| Patent number | 290120 |
| Inventors | |
| Inventor country | DE |
| Applicant person | |
| Applicant firm | Daimler-Motoren-Gesellschaft |
| Applicant type | COMPANY |
| Applicant is inventor? | |
| Original title | Durch propeller angetriebenes Luftfahrzeug mit als Vorgelegewelle ausgebildeter hohler Propellerwelle |
| English title | Propeller-driven aircraft with hollow propeller-shaft |
| Tech fields | propeller, propulsion, military, gun |
| Filing date | 1913-01-10 |
| Full specification filed date | |
| Application number | |
| Grant date | |
| Granted? | 1 |
| Publication date | 1921-01-13 |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | DE 77h.5 |
| IPCs | IPC B64D 7/06, IPC F41D11/24 |
| CPCs | CPC B64D7/02 |
| Family year | 1913 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 1 |
| Number of diagram pages | 1 |
| Number of figures | 1 |
| Number of claims | 2 |
