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The early version, later superseded, says: One wing beam is fixed and the other movable.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 |