Patent US-1909-934394
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| Year filed | |
|---|---|
| Year granted | 1909 |
| Office | US |
| Patent number | 934394 |
| Inventors | Paul Frederik Degn |
| Inventor country | DE |
| Applicant person | Paul Frederik Degn |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Screw-propeller for flying-machines |
| English title | Screw-propeller for flying-machines |
| Tech fields | Propulsion |
| Filing date | 1909-03-25 |
| Full specification filed date | |
| Application number | 1909485722 |
| Grant date | 1909-09-14 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | Patent DE-1908-210933, Patent US-1909-922756 |
| Related to aircraft? | Yes |
| Serial number | 485722 |
| Patent agent | |
| Assigned to | |
| National tech categories | USPC 416/132R |
| IPCs | F04D29/382 |
| CPCs | CPC F04D29/382 |
| Family year | 1908 |
| First filing? | 0 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 47227671 |
| INPADOC family ID | 11353457 |
| Number of text pages | |
| Number of diagram pages | |
| Number of figures | |
| Number of claims |
Sources
- Short's DB
- Neilson, 1910
- espacenet (refiled after split on 1909/03/25)
- Patent 934394 document and bibliographic info on espacenet
- Patent 934394 at google patents
Inventor location (imputed by HistPat): Bremen, Germany
