Patent FR-1871-91432
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From INPI:
- Cote du dossier: 1BB91432
- Type de brevet: Brevet d'invention de 15 ans
- Titre: appareil perfectionné propre à la navigation aérienne
- Année de dépôt: 1871
- Déposant: DANJARD
- Adresse du déposant: Paris (42, passage du Caire, Seine)
- Numéro de dépôt: 91432
- Date de dépôt: 02/02/1871
- Classe: 5
- Lil museum site does not give a patent number or country for this but gives the patent title "Flugapparat" and a description which when translated to English says:
- It is a hang glider with wing propeller and propeller drive, combined with a parachute. Two wings were arranged in succession in the same plane as a tandem. In front and rear, there were triangular "parachute" surfaces ", the front plane and rigid in order to cut through the air." The two wings and the rear surface had a parachute fixed leading edge and a flexible trailing edge in order to obtain from the escaping air drive. Under the rear surface of a vertical chute for directing control was to the left and right. Between the two wings, the wing propellers were installed on the rear of the rear face also a propeller screw.
- Source: Source 1, page 194, Search: Seifert
- Brevet d'invention de 15 ans
- Inventor location: Paris (42, passage du Caire, Seine)
- There are other patents by Danjard at this same address from 1860-1871 in INPI historic data.
Sources
- U.S. Patent Office. Subject-matter Index of Patents for Invention, France, 1791-1876 Inclusive. 1883.
- Use Recherche Avencee at INPI to get to http://bases-brevets19e.inpi.fr/Thot/FrmFicheDoc.asp?idfiche=0301640&refFiche=0168783
- Source at Lilienthal Museum: http://lilienthal-museum.museumnet.eu/archiv/objekt/3809
| Year filed | |
|---|---|
| Year granted | 1871 |
| Office | FR |
| Patent number | 91432 |
| Inventors | Danjard |
| Inventor country | FR |
| Inventor location | |
| Applicant person | |
| Applicant firm | |
| Applicant type | |
| Applicant is inventor? | 1 |
| Original title | appareil perfectionné propre à la navigation aérienne |
| English title | balloon steering, improved apparatus for aerial navigation |
| Tech fields | navigation, balloon |
| Filing date | 1871-02-02 |
| Full specification filed date | |
| Application number | |
| Grant date | |
| Granted? | 1 |
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| Related to aircraft? | Yes |
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| National tech categories | FR 5 |
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| Family year | 1871 |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
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