Patent FR-1912-449881
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This is substantially the same as Patent GB-1912-25939. Specific relations are being ascertained, with the possibility of there being a German parent patent.
Patent AT-1909-48421 is being treated as the parent patent of this family.
Sources
- Original patent document and bibliography entry on espacenet
- Inventor location: Germany
| Year filed | 1912 |
|---|---|
| Year granted | 1913 |
| Office | FR |
| Patent number | 449881 |
| Inventors | Heinrich Mack |
| Inventor country | DE |
| Applicant person | Heinrich Mack |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Hélice d'aviation à ailettes dont l'angle d'inclinaison est réglable |
| English title | Winged aviation propeller with adjustable tilt angle |
| Tech fields | Hélice, Propellers, Propulsion |
| Filing date | 1912-10-26 |
| Full specification filed date | |
| Application number | 449881D |
| Grant date | 1913-01-06 |
| Granted? | 1 |
| Publication date | 1913-03-10 |
| Supplementary to patent | Patent AT-1909-48421 |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | Barlow et Gentizon |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C11/06 |
| CPCs | CPC B64C11/065 |
| Family year | 1909 |
| First filing? | 0 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19268142 |
| INPADOC family ID | 5337494 |
| Number of text pages | 1 |
| Number of diagram pages | 1 |
| Number of figures | 1 |
| Number of claims | 1 |
