Page values for "Patent DE-1909-217235"
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"Patents" values
1 row is stored for this page| Field | Field type | Allowed values | Value |
|---|---|---|---|
| Year_filed | Date | 1908 | |
| Year_granted | Date | 1909 | |
| Office | Page | DE | |
| Patent_number | String | 217235 | |
| Inventors | List of Page, delimiter: ; | Heinrich Koppers | |
| Inventor_country | List of Page, delimiter: ; | DE | |
| Applicant_is_inventor | Boolean | Yes | |
| Original_title | String | Verfahren zur Vorbereitung von Leuchtgas für Luftschiffahrtszwecke | |
| English_title | String | Method of preparing lifting gas for airship travel | |
| Tech_fields | List of Page, delimiter: ; | LTA • Gas • Chemical • Benzene | |
| Filing_date | Date | 1908-06-05 | |
| Granted | Boolean | Yes | |
| Publication_date | Date | 1909-12-17 | |
| Related_to_aircraft | String | Yes · Partially · No | 1 |
| National_tech_categories | List of Page, delimiter: ; | DE 77h.3 | |
| Number_of_text_pages | Integer | 1 |
