Patent GB-1910-1694
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- Inventor location: Physician; 92 Calle Durango, Mexico City
- Cites many earlier patents, maybe British ones only: especially Patent GB-1908-17877 ("automatically balancing hanger"); also the co-pending or new: Patent GB-1909-16367; Patent GB-1909-1443
Sources
- Original patent document and bibliography entry on espacenet
- Neilson, 1910, Aeroplane Patents, p79
| Year filed | 1909 |
|---|---|
| Year granted | 1910 |
| Office | GB |
| Patent number | 1694 |
| Inventors | Frederick William Dufwa |
| Inventor country | MX |
| Applicant person | Frederick William Dufwa |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Improvements in flying machines |
| English title | Improvements in flying machines |
| Tech fields | propulsion, propellers |
| Filing date | 1909-07-13 |
| Full specification filed date | |
| Application number | 191001694D |
| Grant date | 1910-06-16 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | Haseltine, Lake & Co. |
| Assigned to | |
| National tech categories | |
| IPCs | IPC B64C1/00, IPC B64C17/00 |
| CPCs | CPC B64C17/00, CPC B64C2700/6218, CPC B64C1/00 |
| Family year | 1909 |
| First filing? | 1 |
| Cites these patents | Patent GB-1908-17877, Patent GB-1909-16367, Patent GB-1909-1443 |
| Citations from after 1930 | |
| Application ID | 23593959 |
| INPADOC family ID | 11087540 |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 3 |
| Number of claims | 3 |
