Patent GB-1908-21445
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This patent makes reference to a German patent filed 1907-10-24, that is, to Patent DE-1907-214228.
Sources
- Neilson, 1910, Aeroplane Patents, p76
- Aeronautical Journal, January 1909, p30* Original patent document and bibliography entry on espacenet
- Inventor location: 3 Wilhadistrasse, Bremen, Germany
- Inventor occupation: Engineer
Patent family descending from Patent GB-1908-21445
- Patent GB-1908-21445 (English title: Improvements in flying machines, that is, improvements to flexible blade propellers oriented at least partially towards ascension, Supplementary to patent: Patent DE-1907-214228)
- Patent GB-1908-24148 (English title: Improvements in Flying Machines, Supplementary to patent: Patent GB-1908-21445 • Patent DE-1908-214229)
- Patent GB-1909-3932 (English title: Improvements in Flying Machines, that is, to propeller blades, Supplementary to patent: Patent GB-1908-21445 • Patent DE-1908-210933)
| Year filed | 1908 |
|---|---|
| Year granted | 1909 |
| Office | GB |
| Patent number | 21445 |
| Inventors | Paul Frederik Degn |
| Inventor country | DE |
| Applicant person | Paul Frederik Degn |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Improvements in flying machines |
| English title | Improvements in flying machines, that is, improvements to flexible blade propellers oriented at least partially towards ascension |
| Tech fields | Propellers, Ascension, Subsystem |
| Filing date | 1908/10/10 |
| Full specification filed date | 1908/10/10 |
| Application number | 190821445D |
| Grant date | 1909/02/18 |
| Granted? | Yes |
| Publication date | 1909/02/18 |
| Supplementary to patent | Patent DE-1907-214228 |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | Marks & Clerk |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | |
| Family year | 1908 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 23571901 |
| INPADOC family ID | 5901511 |
| Number of text pages | 4 |
| Number of diagram pages | 2 |
| Number of figures | 5 |
| Number of claims | 5 |
