Page values for "Patent DE-1907-207459"
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"Patents" values
1 row is stored for this page| Field | Field type | Allowed values | Value |
|---|---|---|---|
| Year_filed | Date | 1907 | |
| Year_granted | Date | 1909 | |
| Office | Page | DE | |
| Patent_number | String | 207459 | |
| Inventor_country | List of Page, delimiter: ; | DE | |
| Applicant_firm | List of Page, delimiter: ; | Siemens-Schuckert Werke GmbH | |
| Original_title | String | Verfahren zum Ausgleich schädlicher Luftpressungen auf die Ballonhülle von Luftschiffen | |
| English_title | String | Method of equalizing harmful air pressure in airship balloons | |
| Tech_fields | List of Page, delimiter: ; | LTA • Balloon • Pressure • Ballonet | |
| Filing_date | Date | 1907-09-04 | |
| Granted | Boolean | Yes | |
| Publication_date | Date | 1909-03-02 | |
| Related_to_aircraft | String | 1 · 0.5 · 0 | 1 |
| National_tech_categories | List of Page, delimiter: ; | DE 77h.2 | |
| IPCs | List of Page, delimiter: ; | IPC B64B1/62 | |
| CPCs | List of Page, delimiter: ; | CPC B64B1/00 | |
| Number_of_text_pages | Integer | 1 | |
| Number_of_diagram_pages | Integer | 1 |
