Patent FR-1909-399475
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- Tech class CPC B64C11/48: Units of two or more coaxial propellers
- Inventor location: Another patent (CA 61598) says Sieveking was a subject of Holland, living at No. 40 Gymnasium-Strasse, Vienna, XCIII in the empire of Austria; his occupation was Pianist ; this original document has Seine; perhaps implying that he at least networked in or near Paris.
Sources
- Original patent document and bibliography entry on espacenet
- on google patents
| Year filed | 1909 |
|---|---|
| Year granted | 1909 |
| Office | FR |
| Patent number | 399475 |
| Inventors | Martinus Sieveking |
| Inventor country | FR |
| Inventor location | |
| Applicant person | Martinus Sieveking |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Propulseur aérien |
| English title | Aerial propeller |
| Tech fields | aerial propeller, propellers |
| Filing date | 1909/02/15 |
| Full specification filed date | |
| Application number | 399475D |
| Grant date | 1909/04/23 |
| Granted? | Yes |
| Publication date | 1909/06/29 |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | Ad. Sturm |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C11/48 |
| CPCs | CPC B64C11/48 |
| Family year | 1909 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | 1 |
| Application ID | 19218834 |
| INPADOC family ID | 5297129 |
| Number of text pages | 1 |
| Number of diagram pages | 1 |
| Number of figures | 1 |
| Number of claims | 1 |
