Page values for "Patent FR-1899-286541"
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"Patents" values
1 row is stored for this page| Field | Field type | Allowed values | Value |
|---|---|---|---|
| Year_granted | Date | 1899 | |
| Office | Page | FR | |
| Patent_number | String | 286541 | |
| Inventors | List of Page, delimiter: ; | De La Touche | |
| Inventor_country | List of Page, delimiter: ; | FR | |
| Applicant_person | List of Page, delimiter: ; | De La Touche | |
| Applicant_type | List of String, delimiter: ; | INDIV | |
| Applicant_is_inventor | Boolean | Yes | |
| Original_title | String | Ballons jumeaux captifs économiques et sans danger | |
| English_title | String | Safe twin captive balloons | |
| Tech_fields | List of Page, delimiter: ; | LTA | |
| Grant_date | Date | 1899-03-06 | |
| Granted | Boolean | Yes | |
| Related_to_aircraft | String | 1 · 0.5 · 0 | 1 |
| National_tech_categories | List of Page, delimiter: ; | FR 6.3 | |
| Family_year | Date | 1899 | |
| First_filing | Boolean | Yes |
