Patent FR-1910-415724
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Addition of a metal spiral to propeller for marine or aerial vessels.
- Inventors' locations: Bals is located within département Seine, France, and Bréguet-Mairet is located in Switzerland.
Source
- Original patent document and bibliography entry on espacenet
- on google patents
| Year filed | 1910 |
|---|---|
| Year granted | 1910 |
| Office | FR |
| Patent number | 415724 |
| Inventors | Max Bals, Louis Bréguet-Mairet |
| Inventor country | FR, CH |
| Applicant person | Max Bals, Louis Bréguet-Mairet |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Propulseur à hélice |
| English title | Helical propeller |
| Tech fields | propellers, marine, aerodynamics, metal |
| Filing date | 1910-05-09 |
| Full specification filed date | |
| Application number | |
| Grant date | 1910-07-20 |
| Granted? | 1 |
| Publication date | 1910-10-03 |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | A. Augier |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B63H1/16 |
| CPCs | CPC B63H1/16 |
| Family year | |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 2 |
| Number of claims |
