Patent US-1908-929298
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Propeller design intended to reduce air resistance on the blades of a propeller used for vertical lift.
- Tech classifications: CPC B64C11/006 Paddle wheels
- Inventor location: Gorizia, Gorizia, Austria-Hungary ; subject of A-H (Gorizia map now appears to be in Italy, on the border of Slovenia)
- Applicant location: Treiste (written Triest), Austria-Hungary
Sources
- Patent 929298 document and bibliographic info on espacenet
- Patent 929298 at google patents
| Year filed | 1908 |
|---|---|
| Year granted | 1909 |
| Office | US |
| Patent number | 929298 |
| Inventors | Franzesco Fronz |
| Inventor country | AT |
| Applicant person | Francesco Skerl |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | No |
| Original title | Paddle-wheel, particularly for use on air-ships |
| English title | Paddle-wheel for use on air-ships |
| Tech fields | paddle wheel, propulsion, airships |
| Filing date | April 16, 1908 |
| Full specification filed date | |
| Application number | 1908427525 |
| Grant date | July 27, 1909 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | 427525 |
| Patent agent | |
| Assigned to | Francesco Skerl |
| National tech categories | USPC 416/108 |
| IPCs | |
| CPCs | CPC B64C11/006 |
| Family year | 1908 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 47206586 |
| INPADOC family ID | 43853797 |
| Number of text pages | |
| Number of diagram pages | 1 |
| Number of figures | |
| Number of claims |
