Patent DE-1897-98288
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Balloon with external polygonal ring.
Unusual specificity regarding lengths and shapes of the frame elements, as well as the aluminum alloy to be used.
This patent was Gelöscht in 1900 according to IAM (1900 p. 97). Possibly the renewal fees were not paid.
Inventor location: St. Goarshausen am Rhein
Sources
- Lilienthal museum patents (https://lilienthal-museum.museumnet.eu/archiv/objekt/3504)
- Original patent document and Bibliographic info at DPMA
- Original patent document and bibliography entry at espacenet
| Year filed | 1897 |
|---|---|
| Year granted | 1898 |
| Office | DE |
| Patent number | 98288 |
| Inventors | Heinrich Rudolph |
| Inventor country | DE |
| Inventor location | |
| Applicant person | Heinrich Rudolph |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Fesselballon mit Drachenfläche |
| English title | Captive balloon with kite-surface |
| Tech fields | balloon, captive, frame, metal, aluminum, kite, drachen, LTA, hybrid |
| Filing date | January 19, 1897 |
| Full specification filed date | |
| Application number | |
| Grant date | July 26, 1898 |
| Granted? | Yes |
| Publication date | July 26, 1898 |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | DE 77 |
| IPCs | IPC B64B1/40 |
| CPCs | CPC B64B1/40 |
| Family year | 1897 |
| First filing? | Yes |
| 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 | 8 |
| Number of claims | 2 |
