Page values for "Patent FR-1870-91142"
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"Patents" values
1 row is stored for this page| Field | Field type | Allowed values | Value |
|---|---|---|---|
| Year_filed | Date | 1870 | |
| Year_granted | Date | 1870 | |
| Office | Page | FR | |
| Patent_number | String | 91142 | |
| Inventors | List of Page, delimiter: ; | Victor-Armand Prou | |
| Inventor_country | List of Page, delimiter: ; | FR | |
| Applicant_is_inventor | Boolean | Yes | |
| Original_title | String | système de propulseur aéronautique | |
| English_title | String | balloon propeller, aeronautic propeller system | |
| Tech_fields | List of Page, delimiter: ; | Propulsion • Propeller • LTA | |
| Filing_date | Date | 1870-12-26 | |
| Granted | Boolean | Yes | |
| Related_to_aircraft | String | Yes · Partially · No | Yes |
| National_tech_categories | List of Page, delimiter: ; | FR 5 | |
| Family_year | Date | 1870 |
