Patent FR-1913-451669
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Symmetrical airplane propeller placement intended to be less hazardous in case one propeller breaks.
Inventor location: Seine
Sources
- Original patent document and bibliography entry on espacenet
Year filed | 1912 |
---|---|
Year granted | 1913 |
Office | FR |
Patent number | 451669 |
Inventors | Alessandro Anzani |
Inventor country | FR |
Applicant person | Alessandro Anzani |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | 1 |
Original title | Système de propulsion pour aéroplanes |
English title | Propulsion system for airplanes |
Tech fields | airplane, propulsion, safety, navigation |
Filing date | 1912-12-10 |
Full specification filed date | |
Application number | 451669D |
Grant date | 1913-02-17 |
Granted? | 1 |
Publication date | 1913-04-24 |
Supplementary to patent | |
Related to aircraft? | 1 |
Serial number | |
Patent agent | G. de Mestral et F. Harlé |
Assigned to | |
National tech categories | FR 6.4 |
IPCs | IPC B64C11/00 |
CPCs | CPC B64D2700/62692, CPC B64C11/00 |
Family year | 1912 |
First filing? | 1 |
Cites these patents | |
Citations from after 1930 | |
Application ID | 19269896 |
INPADOC family ID | 5338990 |
Number of text pages | 2 |
Number of diagram pages | 1 |
Number of figures | 6 |
Number of claims | 1 |