Patent FR-1920-516627
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- Tech class CPC B63H1/16: Propellers having a shrouding ring attached to blades
- Inventor location: U.S.
Patent family descending from Patent US-1916-08-16-Lee
- Patent FR-1920-516627 (English title: Improvements to propellers for propulsion and ventilation, Supplementary to patent: Patent US-1916-08-16-Lee, National tech categories: FR 6.2)
Sources
- Original patent document and bibliography entry on espacenet
- on google patents
Year filed | 1920 |
---|---|
Year granted | 1920 |
Office | FR |
Patent number | 516627 |
Inventors | Charles Mylo Lee |
Inventor country | US |
Applicant person | Charles Mylo Lee |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | 1 |
Original title | Perfectionnements aux hélices de propulsion et de ventilation |
English title | Improvements to propellers for propulsion and ventilation |
Tech fields | propellers |
Filing date | 1920-06-07 |
Full specification filed date | |
Application number | |
Grant date | 1920-12-08 |
Granted? | 1 |
Publication date | 1921-04-21 |
Supplementary to patent | Patent US-1916-08-16-Lee |
Related to aircraft? | 1 |
Serial number | |
Patent agent | Brandon freres |
Assigned to | |
National tech categories | FR 6.2 |
IPCs | IPC B63H1/16 |
CPCs | CPC B63H1/16 |
Family year | 1908 |
First filing? | 0 |
Cites these patents | |
Citations from after 1930 | 1 |
Application ID | |
INPADOC family ID | |
Number of text pages | 3 |
Number of diagram pages | 1 |
Number of figures | 8 |
Number of claims | 2 |