Patent GB-1908-19677
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Deals with similar topics as Fredrikson's other two patents; an early version of the same concept perhaps. This one does contain a closeup of the swiveling propeller system.
IPC and CPC classifications are missing from espacenet.
Sources
- Neilson, 1910, Aeroplane Patents, p76
- http://espacenet.com/searchResults?query=gb190819677a]
- espacenet
- Inventor location:
| Year filed | 1908 |
|---|---|
| Year granted | 1909 |
| Office | GB |
| Patent number | 19677 |
| Inventors | Andrew John Fredrikson |
| Inventor country | Sweden |
| Applicant person | |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Improvements in Flying Machines or Air Ships |
| English title | Flying Machines or Air Ships |
| Tech fields | LTA, propeller, navigation |
| Filing date | September 18, 1908 |
| Full specification filed date | March 18, 1909 |
| Application number | |
| Grant date | September 20, 1909 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | Wheatley & Mackenzie |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | |
| Family year | 1908 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 4 |
| Number of diagram pages | 2 |
| Number of figures | 2 |
| Number of claims | 5 |
