Patent FR-1881-142811
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File:FR-1881-142811.jpg Info from CdB 1881
| Year filed | |
|---|---|
| Year granted | 1881 |
| Office | FR |
| Patent number | 142811 |
| Inventors | Crespin |
| Inventor country | |
| Applicant person | |
| Applicant firm | |
| Applicant type | |
| Applicant is inventor? | 1 |
| Original title | Nouveau moyen servant à remplir et à entretenir dans un aérostat la force ascensionnelle |
| English title | New means to refill and keep in good condition ascensional force of an aerostat |
| Tech fields | LTA, airship, ascension, stability |
| Filing date | |
| Full specification filed date | |
| Application number | |
| Grant date | 1881-05-12 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | Gratien le sieur |
| Assigned to | |
| National tech categories | FR 6.3 |
| IPCs | |
| CPCs | |
| Family year | 1881 |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | |
| Number of diagram pages | |
| Number of figures | |
| Number of claims |
Sources
- CdB 1881, p.CCLXXIX and p.242
- Original patent document and bibliography entry on espacenet
- on google patents
- Inventor location:
