Patent FR-1914-468999
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- Tech class CPC B64C27/20: Rotorcraft characterised by having shrouded rotors, e.g. flying platforms
- Inventor location:
Patent family descending from Patent GB-1913-5223
- Patent GB-1913-5223 (English title: Improvements in the Construction of Aeronautical Machines, Filing date: 1913-03-01)
- Patent FR-1914-468999 (English title: Improvements to construction of aerial machines, Supplementary to patent: Patent GB-1913-5223, Filing date: 1914-02-27, National tech categories: FR 6.4)
- Patent BE-1914-265170 (English title: Improvements in the construction of aeronautical machines, Supplementary to patent: Patent GB-1913-5223, Filing date: 1914-02-27, National tech categories: BE K)
Sources
- Original patent document and bibliography entry on espacenet
- Patent FR468999A on google patents
| Year filed | 1914 |
|---|---|
| Year granted | 1914 |
| Office | FR |
| Patent number | 468999 |
| Inventors | James Robertson Porter |
| Inventor country | GB |
| Inventor location | |
| Applicant person | James Robertson Porter |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Perfectionnements dans la construction de machines aéronautiques |
| English title | Improvements to construction of aerial machines |
| Tech fields | |
| Filing date | 1914-02-27 |
| Full specification filed date | |
| Application number | 468999D |
| Grant date | 1914-05-08 |
| Granted? | 1 |
| Publication date | 1914-07-21 |
| Supplementary to patent | Patent GB-1913-5223 |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | V. Matray |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C27/20, IPC B64C29/00 |
| CPCs | CPC B64C27/20 |
| Family year | 1913 |
| First filing? | 0 |
| Cites these patents | |
| Citations from after 1930 | 0 |
| Application ID | 19286789 |
| INPADOC family ID | 5353505 |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 1 |
| Number of claims | 3 |
