Patent FR-1917-494571
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- Tech class CPC B64C3/00: Wings
Patent family descending from Patent FR-1917-494571
- Patent FR-1917-494571 (English title: Reinforcing plate and squarely applying to the framework of air navigation devices, National tech categories: FR 6.4)
- Patent GB-1918-130392 (English title: Strengthening and Squaring Plates Applicable to Frameworks of Aerial Navigation Machines, Supplementary to patent: Patent FR-1917-494571)
Sources
- Original patent document and bibliography entry on espacenet
- on google patents
| Year filed | 1917 |
|---|---|
| Year granted | 1919 |
| Office | FR |
| Patent number | 494571 |
| Inventors | Émile Letord |
| Inventor country | FR |
| Applicant person | Émile Letord |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Plaque de renfort et de carrément s'appliquant à la charpente des appareils de navigation aérienne |
| English title | Reinforcing plate and squarely applying to the framework of air navigation devices |
| Tech fields | |
| Filing date | 1917-04-04 |
| Full specification filed date | |
| Application number | 494571D |
| Grant date | 1919-06-03 |
| Granted? | 1 |
| Publication date | 1919-09-12 |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | J. Germain |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C3/00 |
| CPCs | CPC B64C3/00, CPC B64C2700/6235 |
| Family year | 1917 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 0 |
| Application ID | 19311740 |
| INPADOC family ID | 5375114 |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 2 |
| Number of claims | 1 |
