Patent FR-1918-494680.21149
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- Tech class CPC B64C33/00: Ornithopters
- Inventor location: Legrand: rue Claude-Lorrain, 11, Paris, 16th ; Tabarant: boulevard de Menilmountant, 33, Paris 11th
Patent family descending from Patent FR-1918-494680
- Patent FR-1918-494680 (English title: System of rigid swing planes, motors and receivers, applicable to aeronautics and hydraulics, without any back pressure on straightening, Filing date: 1918-12-17, National tech categories: FR 5.8)
- Patent FR-1918-494680.21149 (English title: System of rigid swing planes, motors and receivers, applicable to aeronautics and hydraulics without any back pressure on straightening, Supplementary to patent: Patent FR-1918-494680, Filing date: 1918-12-30, National tech categories: FR 6.4)
Sources
- Original patent document and bibliography entry on espacenet
- Patent FR21149E on google patents
| Year filed | 1918 |
|---|---|
| Year granted | 1920 |
| Office | FR |
| Patent number | 21149 |
| Inventors | Arthur Legrand, Georges Tabarant |
| Inventor country | FR |
| Inventor location | Paris |
| Applicant person | Arthur Legrand, Georges Tabarant |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Système de plans battants rigides, moteurs et récepteurs, applicables à l'aéronautique et à l'hydraulique sans aucune contre-pression au redressement |
| English title | System of rigid swing planes, motors and receivers, applicable to aeronautics and hydraulics without any back pressure on straightening |
| Tech fields | Ornithopters |
| Filing date | 1918-12-30 |
| Full specification filed date | |
| Application number | 21149D |
| Grant date | 1920-02-23 |
| Granted? | 1 |
| Publication date | 1920-05-20 |
| Supplementary to patent | Patent FR-1918-494680 |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | None |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C33/00 |
| CPCs | CPC B64C33/00 |
| Family year | 1918 |
| First filing? | 0 |
| Cites these patents | |
| Citations from after 1930 | 0 |
| Application ID | 18732206 |
| INPADOC family ID | 10243663 |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 2 |
| Number of claims | 1 |
