Patent FR-1911-423766
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- Google patents source treats the publication date as the grant date, and does not mention the "date de delivre" -- possibly that delivery date really means the full specification was filed then??
- Tech classification: CPC B64C11/30: Blade pitch-changing mechanisms
- Inventor location: England
- cited by 1 per google patents
Sources
- Original patent document and bibliography entry on espacenet
- https://patents.google.com/patent/FR423766A
| Year filed | 1910 |
|---|---|
| Year granted | 1911 |
| Office | FR |
| Patent number | 423766 |
| Inventors | Walter Charles Pitter |
| Inventor country | GB |
| Applicant person | Walter Charles Pitter |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Perfectionnements dans la construction des propulseurs |
| English title | Improvements to the construction of propellers |
| Tech fields | propellers, propulsion, construction |
| Filing date | December 12, 1910 |
| Full specification filed date | |
| Application number | 423766D |
| Grant date | February 23, 1911 |
| Granted? | Yes |
| Publication date | April 26, 1911 |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | de Bongé |
| Assigned to | |
| National tech categories | FR 6.2 |
| IPCs | IPC B64C11/30 |
| CPCs | CPC B64C11/30 |
| Family year | 1910 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19242583 |
| INPADOC family ID | 5315672 |
| Number of text pages | 3 |
| Number of diagram pages | 2 |
| Number of figures | 20 |
| Number of claims | 1 |
