Patent FR-1911-420469
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Patent family descending from Patent GB-1910-18683
- Patent GB-1910-18683 (English title: Aeronautical Craft)
- Patent FR-1911-420469 (English title: Flying machines, Supplementary to patent: Patent GB-1910-18683, National tech categories: FR 6.4)
- Patent DK-1911-15003 (English title: Aircraft, Supplementary to patent: Patent GB-1910-18683, National tech categories: DK 77)
- Patent CA-1911-136791 (English title: Aeronautical Craft, Supplementary to patent: Patent GB-1910-18683, National tech categories: CA 244/10)
Sources
- Original patent document and bibliography entry on espacenet
| Year filed | 1910 |
|---|---|
| Year granted | 1910 |
| Office | FR |
| Patent number | 420469 |
| Inventors | William Francis Dugins |
| Inventor country | AU |
| Applicant person | |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Perfectionnements aux machines volantes |
| English title | Flying machines |
| Tech fields | flapping |
| Filing date | August 9, 1910 |
| Full specification filed date | |
| Application number | 420469D |
| Grant date | November 24, 1910 |
| Granted? | Yes |
| Publication date | January 31, 1911 |
| Supplementary to patent | Patent GB-1910-18683 |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | A. de Carsalade |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C23/00 |
| CPCs | CPC B64C2700/6274, CPC B64C23/005 |
| Family year | 1910 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19239352 |
| INPADOC family ID | 5312934 |
| Number of text pages | 4 |
| Number of diagram pages | 1 |
| Number of figures | 10 |
| Number of claims | 8 |
