Patent FR-1909-409039
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This patent has only partial bibliographic data on Espacenet, and is missing the original entirely. Its filing date is given on the original of the certificate of addition shown below. Its national tech classification is a matter of extreme likelihood, as is the patent's being granted. It likely shares the same patent title as well. Its IPC and CPC data are given on Espacenet, and are more than feasible.
Sources
- Original patent document and bibliography entry on espacenet
Patent family descending from Patent FR-1909-409039
- Patent FR-1909-409039 (Filing date: 1909-02-06, National tech categories: FR 6.4)
- Patent FR-1909-409039.11761 (English title: Airplane takeoff and flight apparatus of variable speed, Supplementary to patent: Patent FR-1909-409039 • Patent BE-1909-02-06 Charles Philippart, Filing date: 1909-03-17, National tech categories: FR 6.4)
| Year filed | 1909 |
|---|---|
| Year granted | |
| Office | FR |
| Patent number | 409039 |
| Inventors | Charles Philippart |
| Inventor country | FR |
| Inventor location | |
| Applicant person | Charles Philippart |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Charles Philippart |
| English title | |
| Tech fields | |
| Filing date | 1909-02-06 |
| Full specification filed date | |
| Application number | |
| Grant date | |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C21/02 |
| CPCs | CPC B64C21/02, CPC Y02T50/10 |
| Family year | 1909 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | |
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