Patent AT-1912-67548
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- Locations: Hansen-Ellehammer: Kopenhagen ; Aasen in Frederiksberg bei Kopenhagen, Dänemark
Can't find the parent patent anywhere. But like his other patents, it cites a supposed parent patent from 1912-02-24, and this time it's explicitly a Danish one.
- January written Jänner here, not Januar as is now common/standard in German
Sources
- Original patent document and Bibliographic info on this patent at DPMA
- Original patent document and bibliography entry on espacenet
- on google patents
| Year filed | 1912 |
|---|---|
| Year granted | 1915 |
| Office | AT |
| Patent number | 67548 |
| Inventors | Jacob Christian Hansen-Ellehammer, Niels Waltersen Aasen |
| Inventor country | DK, DK |
| Inventor location | Copenhagen |
| Applicant person | Jacob Christian Hansen-Ellehammer, Niels Waltersen Aasen |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Schraubbenflieger |
| English title | Screw [driver] airplane |
| Tech fields | |
| Filing date | 1912-09-16 |
| Full specification filed date | |
| Application number | |
| Grant date | 1915-01-11 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | Patent DK-1912-02-24-Hansen-Ellehammer-Aasen |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | AT 77d |
| IPCs | |
| CPCs | |
| Family year | 1912 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 0 |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 3 |
| Number of claims | 3 |
