Patent DE-1891-58092
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- Inventor location: Czemlewo, near Damerauk now deep in Poland; not obviously in old Prussia
Sources
- Archive record of this patent and bibliographic entry at Lilienthal museum patents
- Original patent document and Bibliographic info at DPMA
- Original patent document and bibliography entry at espacenet
| Year filed | 1891 |
|---|---|
| Year granted | 1891 |
| Office | DE |
| Patent number | 58092 |
| Inventors | E. Hankwitz |
| Inventor country | DE, PL |
| Applicant person | E. Hankwitz |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Schraubenförmiger Luftballon |
| English title | Helical balloon |
| Tech fields | LTA |
| Filing date | 1891-01-10 |
| Full specification filed date | |
| Application number | |
| Grant date | 1891-08-06 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | DE 77 |
| IPCs | IPC B64B1/58 |
| CPCs | CPC B64B1/58 |
| Family year | 1891 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 9351363 |
| INPADOC family ID | |
| Number of text pages | 1 |
| Number of diagram pages | 1 |
| Number of figures | 2 |
| Number of claims | 1 |
