Patent GB-1915-445
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"Aerial machines without aerostats; propelling.- The lifting-propeller e of a helicopter is mounted at or about the centres of resistance in both horizontal and vertical directions on a standard c arranged centrally of the machine so that the axis of the propeller shaft passes through the centre of gravity of the machine. The propeller is driven through clutches and bevel-gear from motors ..."
- Inventor location: 41 Eastcheap, London, E.C. ; Civil Engineer
- Tech class: CPC B64C27/12: Rotor drives
Sources
- Original patent document and bibliography entry on espacenet
- on google patents
| Year filed | 1915 |
|---|---|
| Year granted | 1915 |
| Office | GB |
| Patent number | 445 |
| Inventors | Francis Vivian Lister |
| Inventor country | GB |
| Applicant person | Francis Vivian Lister |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | An Improved Aerial Machine of the Heavier-than-Air Type |
| English title | An Improved Aerial Machine of the Heavier-than-Air Type |
| Tech fields | |
| Filing date | 1915-01-11 |
| Full specification filed date | 1915-07-07 |
| Application number | 191500445D |
| Grant date | 1915-08-19 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | Marks & Clerk |
| Assigned to | |
| National tech categories | |
| IPCs | IPC B64C27/04 |
| CPCs | CPC B64C2700/6281, CPC B64C27/12 |
| Family year | 1915 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 0 |
| Application ID | 23675701 |
| INPADOC family ID | 11158020 |
| Number of text pages | 4 |
| Number of diagram pages | 2 |
| Number of figures | 5 |
| Number of claims | 5 |
