Patent AT-1917-87219
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This patent makes reference to the German priority date 1915-09-11.
Sources
- Original patent document and Bibliographic info on this patent at DPMA
- Original patent document and bibliography entry on espacenet
- Inventor location: Potsdam
| Year filed | 1917 |
|---|---|
| Year granted | 1921 |
| Office | AT |
| Patent number | 87219 |
| Inventors | Jakob Haw |
| Inventor country | DE |
| Applicant person | Jakob Haw |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Triebschraube, inbesondere für Luftfahrzeuge |
| English title | Screw propeller, especially for aircraft |
| Tech fields | propellers |
| Filing date | 1917/03/22 |
| Full specification filed date | |
| Application number | |
| Grant date | 1921/08/15 |
| Granted? | Yes |
| Publication date | 1922/02/10 |
| Supplementary to patent | Patent DE-1915-300200 |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | AT 77d |
| IPCs | |
| CPCs | |
| Family year | 1915 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 5 |
| Number of claims | 2 |
