Patent CH-1912-61828
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- Inventor locations: Asnieres and Courbevoie, France (which are near INPI, now)
- Patent agent: A. Mathey-Doret, La Chaux-de-Fonds
Sources
- Original patent document and bibliography entry at espacenet
- Bibliographic info on this patent and original patent document at DPMA
- Google patents
| Year filed | 1912 |
|---|---|
| Year granted | 1913 |
| Office | CH |
| Patent number | 61828 |
| Inventors | Pierre Jacomy, François Jahan |
| Inventor country | FR, FR |
| Applicant person | Pierre Jacomy, François Jahan |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Procédé pour la fabrication d'une hélice métallique à deux pales, creuse et en une seule pièce |
| English title | Process for the manufacture of a metal propeller with two blades, hollow and in one piece |
| Tech fields | propellers |
| Filing date | 1912-08-13 |
| Full specification filed date | |
| Application number | |
| Grant date | 1913-10-16 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | Patent DE-1911-251309 |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | A. Mathey-Doret |
| Assigned to | |
| National tech categories | CH 128c |
| IPCs | |
| CPCs | |
| Family year | 1911 |
| First filing? | 0 |
| Cites these patents | |
| Citations from after 1930 | 0 |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 2 |
| Number of claims | 2 |
