Patent US-1920-1419962
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- Tech class CPC B64C27/04: Helicopters
- Inventor location: Birmingham, Jefferson county, Alabama
Sources
- Patent 1419962 document and bibliographic info on espacenet
- Patent 1419962 at google patents
| Year filed | 1920 |
|---|---|
| Year granted | 1922 |
| Office | US |
| Patent number | 1419962 |
| Inventors | William Leslie Denham |
| Inventor country | US |
| Applicant person | William Leslie Denham |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Aeroplane |
| English title | Aeroplane |
| Tech fields | |
| Filing date | 1920-11-06 |
| Full specification filed date | |
| Application number | 22495318 |
| Grant date | 1922-06-20 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | 422228 |
| Patent agent | Munn & Co. |
| Assigned to | |
| National tech categories | |
| IPCs | IPC B64C27/04 |
| CPCs | CPC B64C27/04 |
| Family year | 1920 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 6 |
| Application ID | 48801291 |
| INPADOC family ID | 44439155 |
| Number of text pages | 2 |
| Number of diagram pages | 3 |
| Number of figures | 5 |
| Number of claims | 3 |
