Difference between revisions of "Patent GB-1915-445"
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Latest revision as of 01:15, 28 March 2024
"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 |