Patent GB-1909-1443
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The early version, later superseded, says: One wing beam is fixed and the other movable. The moving one can rotate so that it is high on one side and low on the other.
- Inventor location: Calle de Durango 92, City of Mexico, in the Republic of Mexico
- Dufwa's a Physician
Sources
- Neilson, 1910, Aeroplane Patents, p79
- Original patent document and bibliography entry on espacenet
| Year filed | 1909 |
|---|---|
| Year granted | 1910 |
| Office | GB |
| Patent number | 1443 |
| Inventors | Frederick William Dufwa |
| Inventor country | MX |
| Applicant person | Frederick William Dufwa |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Improvements in flying machines |
| English title | Wing beam construction on flying machines |
| Tech fields | wings, construction, control |
| Filing date | July 13, 1909 |
| Full specification filed date | |
| Application number | 191001443D |
| Grant date | June 16, 1910 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | Haseltine, Lake & Co. |
| Assigned to | |
| National tech categories | |
| IPCs | IPC B64C39/00 |
| CPCs | CPC B64C39/00, CPC B64C2700/6295 |
| Family year | 1909 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 23593818 |
| INPADOC family ID | 11087417 |
| Number of text pages | 3 |
| Number of diagram pages | 1 |
| Number of figures | 3 |
| Number of claims | 3 |
