Patent DE-1912-271830
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Design for warping frame within the upper wing of a biplane.
- Inventor location: Paris
Patent family descending from Patent BE-1911-Coster-warping
- Patent FR-1912-440149 (English title: Construction of warping wing surfaces for airplanes and the like, as well as means for controlling the warping of these surfaces, Supplementary to patent: Patent BE-1911-Coster-warping, Filing date: 1911-02-14, National tech categories: FR 6.4)
- Patent DE-1912-271830 (English title: Biplane with twistable airfoil, Supplementary to patent: Patent BE-1911-Coster-warping, Filing date: 1912-02-18, National tech categories: DE 77h.5)
Sources
- Original patent document and Bibliographic info at DPMA
- Original patent document and bibliography entry at espacenet
| Year filed | 1912 |
|---|---|
| Year granted | 1914 |
| Office | DE |
| Patent number | 271830 |
| Inventors | Charles de Coster |
| Inventor country | FR |
| Inventor location | |
| Applicant person | |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Doppeldecker mit einer verwindbaren Tragfläche |
| English title | Biplane with twistable airfoil |
| Tech fields | biplane, wing warping, frame, subsystem, Tragfläche |
| Filing date | 1912-02-18 |
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| Granted? | 1 |
| Publication date | 1914-03-18 |
| Supplementary to patent | Patent BE-1911-Coster-warping |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | DE 77h.5 |
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| Cites these patents | |
| Citations from after 1930 | |
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| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 1 |
| Number of claims |
