Patent GB-1909-21220
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| Year filed | 1909 |
|---|---|
| Year granted | 1909 |
| Office | GB |
| Patent number | 21220 |
| Inventors | James Dennis Roots |
| Inventor country | GB |
| Inventor location | |
| Applicant person | James Dennis Roots |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | |
| English title | |
| Tech fields | |
| Filing date | 1909-09-16 |
| Full specification filed date | |
| Application number | 190921220D |
| Grant date | |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | CPC B64C25/06, CPC B64F2700/6226, CPC B64C25/62, CPC B64C25/50 |
| Family year | 1909 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 23587760 |
| INPADOC family ID | 11082181 |
| Number of text pages | |
| Number of diagram pages | |
| Number of figures | |
| Number of claims |
Sources
- Neilson, 1910, Aeroplane Patents, p78
- [1]
- Original patent document and bibliography entry on espacenet
- Patent GB190921220A on google patents
- Inventor location:
