Patent GB-1912-13867
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Reference is made to the French priority date 1911-06-20.
This instrument detects pressure from laterally onto longitudinal sections of the aircraft. Detects movement on a flexible membrane I think. Or somehow electrically. An anemometer may be involved, sometimes or always.
Tech classifications: CPC B64D43/02 Arrangements or adaptations of instruments for indicating aircraft speed or stalling conditions
- Inventor occupations and locations:
- Pierre Poulalion of 106 rue Legendre, Paris, Seine; a Sea Captain
- Jean Armange of 54 rue Ratier, Lorient, Morbihan, France; a Building Contractor
Patent family descending from Patent FR-1911-431380
- Patent FR-1911-431380 (English title: Automatic fin (vertical?) indicator for aerial locomotion, National tech categories: FR 6.4)
- Patent GB-1912-13867 (English title: Automatic fin (vertical?) indicator for aerial locomotion, Supplementary to patent: Patent FR-1911-431380, National tech categories: FR 6.4)
- Patent FR-1913-431380.17358 (English title: Automatic fin (vertical?) indicator for aerial locomotion, Supplementary to patent: Patent FR-1911-431380, National tech categories: FR 6.4)
Sources
- Original patent document and bibliography entry on espacenet
- on google patents
| Year filed | 1912 |
|---|---|
| Year granted | 1912 |
| Office | GB |
| Patent number | 13867 |
| Inventors | Pierre Poulalion, Jean Armange |
| Inventor country | FR |
| Inventor location | Paris, Seine, Lorient, Morbihan |
| Applicant person | Pierre Poulalion, Jean Armange |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Improvements in Deviation Indicators for Air Craft |
| English title | Automatic fin (vertical?) indicator for aerial locomotion |
| Tech fields | instrument, stability?, LTA, HTA, airplane, airship |
| Filing date | 1912/06/13 |
| Full specification filed date | |
| Application number | |
| Grant date | 1912/10/17 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | Patent FR-1911-431380 |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | Abel & Imray |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64D45/00 |
| CPCs | CPC B64D43/02 |
| Family year | 1911 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 3 |
| Number of diagram pages | 1 |
| Number of figures | 5 |
| Number of claims | 6 |
