Patent GB-1891-20032
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Metal condensing tube used in steam-propelled airship already patented (Patent GB-1886-8051).
Sources
- Brewer and Alexander, 1893, Aeronautics
- Neilson, 1910, p72
- Abridgment of patent specifications, 1889–1891, Class 4, p. 18
| Year filed | 1891 |
|---|---|
| Year granted | |
| Office | GB |
| Patent number | 20032 |
| Inventors | William Nelson Hutchinson |
| Inventor country | |
| Applicant person | |
| Applicant firm | |
| Applicant type | |
| Applicant is inventor? | Yes |
| Original title | Balloons |
| English title | Balloons |
| Tech fields | LTA, steam, metal |
| Filing date | 1891/11/18 |
| Full specification filed date | |
| Application number | |
| Grant date | |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | Patent GB-1886-8051 |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | GB 4 with buoyant |
| IPCs | |
| CPCs | |
| Family year | 1891 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
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| Number of diagram pages | |
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