Patent FR-1918-516465
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- Name written "Frederic" on the original, but he has many patents with "Frederick" including the parent of this patent.
- Tech class CPC B64C11/04 Blade mountings
- Inventor location:
Patent family descending from Patent GB-1917-128301
- Patent GB-1917-128301 (English title: Improvements in Screw Propellors for Aeronautical Machines and the like)
- Patent FR-1918-516465 (English title: Improvements to propellers for aeronautical machines and similar machines, Supplementary to patent: Patent GB-1917-128301, National tech categories: FR 6.4)
Sources
- Original patent document and bibliography entry on espacenet
- on google patents
Year filed | 1918 |
---|---|
Year granted | 1920 |
Office | FR |
Patent number | 516465 |
Inventors | Frederick Arthur Ellis Jr. |
Inventor country | GB |
Applicant person | Frederick Arthur Ellis Jr. |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | 1 |
Original title | Perfectionnements aux hélices pour machines aéronautiques et machines similaires |
English title | Improvements to propellers for aeronautical machines and similar machines |
Tech fields | aerial propellers |
Filing date | 1918-10-22 |
Full specification filed date | |
Application number | 516465D |
Grant date | 1920-12-06 |
Granted? | 1 |
Publication date | 1921-04-19 |
Supplementary to patent | Patent GB-1917-128301 |
Related to aircraft? | 1 |
Serial number | |
Patent agent | E. Vattier |
Assigned to | |
National tech categories | FR 6.4 |
IPCs | |
CPCs | CPC B64C11/04 |
Family year | 1917 |
First filing? | 1 |
Cites these patents | |
Citations from after 1930 | |
Application ID | 19333120 |
INPADOC family ID | 10310878 |
Number of text pages | 4 |
Number of diagram pages | 1 |
Number of figures | 11 |
Number of claims | 1 |