Patent FR-1912-443843
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Year filed | 1912 |
---|---|
Year granted | 1912 |
Office | FR |
Patent number | 443843 |
Inventors | Alexandre Liwentaal |
Inventor country | FR |
Applicant person | Liwentaal ALEXANDER |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | 1 |
Original title | perfectionnements apportés aux propulseurs ou hélices et organes analogues |
English title | refinements brought to propellers or blades and similar apparatus |
Tech fields | Propulsion |
Filing date | 1912-05-15 |
Full specification filed date | |
Application number | 443843D |
Grant date | 1912-10-03 |
Granted? | 1 |
Publication date | |
Supplementary to patent | |
Related to aircraft? | Yes |
Serial number | |
Patent agent | |
Assigned to | |
National tech categories | FR 6.4 |
IPCs | IPC B64C11/16 |
CPCs | CPC B64C11/16 |
Family year | 1912 |
First filing? | 0 |
Cites these patents | |
Citations from after 1930 | |
Application ID | 19262238 |
INPADOC family ID | 5332395 |
Number of text pages | |
Number of diagram pages | |
Number of figures | |
Number of claims |
Sources
- Aéro-Manuel 1914; http://espacenet.com/searchResults?query=fr443843a]
- espacenet
- Inventor location: