Patent DE-1903-157815
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This patent is classified under CPC B64C9/32, "Air braking surfaces", but the patent itself does not explicitly deal with aircraft.
- Company location: Halle an der Saale
Sources
- Original patent document and Bibliographic info at DPMA
- Original patent document and bibliography entry at espacenet
| Year filed | 1903 |
|---|---|
| Year granted | 1905 |
| Office | DE |
| Patent number | 157815 |
| Inventors | |
| Inventor country | DE |
| Applicant person | |
| Applicant firm | Firma W. Stavenhagen |
| Applicant type | COMPANY |
| Applicant is inventor? | |
| Original title | Verfahren zur Herstellung von Filterschichten aus Faserstoff mit zunehmender Dichtigkeit der Lagerungsschichten |
| English title | Process for producing filter layers from pulp with strata of increasing density |
| Tech fields | process |
| Filing date | 1903-11-12 |
| Full specification filed date | |
| Application number | 157815D |
| Grant date | |
| Granted? | 1 |
| Publication date | 1905-01-21 |
| Supplementary to patent | |
| Related to aircraft? | 0 |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | CPC B64C9/32, CPC B01D39/14 |
| Family year | |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 9563967 |
| INPADOC family ID | 10048031 |
| Number of text pages | |
| Number of diagram pages | |
| Number of figures | |
| Number of claims |
