Page values for "Patent US-1863-40142"
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"Patents" values
1 row is stored for this page| Field | Field type | Allowed values | Value |
|---|---|---|---|
| Year_filed | Date | 1863 | |
| Year_granted | Date | 1863 | |
| Office | Page | US | |
| Patent_number | String | 40142 | |
| Inventors | List of Page, delimiter: ; | Halvor Halvorson | |
| Inventor_country | List of Page, delimiter: ; | US | |
| Applicant_person | List of Page, delimiter: ; | Charles Spear | |
| Applicant_type | List of String, delimiter: ; | INDIV | |
| Applicant_is_inventor | Boolean | Yes | |
| Original_title | String | Improvement in projectiles for ordnance | |
| English_title | String | Improvement in projectiles for ordnance | |
| Tech_fields | List of Page, delimiter: ; | Military • Projectile • Rocket • Gas • Propulsion | |
| Filing_date | Date | 1863-07-09 | |
| Grant_date | Date | 1863-09-29 | |
| Granted | Boolean | Yes | |
| Related_to_aircraft | String | Yes · Partially · No | Partially |
| Assigned_to | List of Page, delimiter: ; | Charles Spear | |
| National_tech_categories | List of Page, delimiter: ; | USPC 244/3.23 | |
| IPCs | List of Page, delimiter: ; | IPC F42B10/00 | |
| CPCs | List of Page, delimiter: ; | CPC F42B10/30 | |
| Family_year | Date | 1863 | |
| First_filing | Boolean | Yes | |
| Number_of_text_pages | Integer | 1 | |
| Number_of_claims | Integer | 1 | |
| Number_of_diagram_pages | Integer | 2 | |
| Number_of_figures | Integer | 4 |
