Patent FR-1915-523791
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Sources
- Original patent document and bibliography entry on espacenet
- Patent FR523791A on google patents
- Inventor location: Seine; France
Year filed | 1915 |
---|---|
Year granted | 1921 |
Office | FR |
Patent number | 523791 |
Inventors | Marius Latour |
Inventor country | FR |
Inventor location | |
Applicant person | Marius Latour |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | Yes |
Original title | Perfectionnements à l'hélicoptère |
English title | Improvements to helicopters |
Tech fields | helicopter |
Filing date | 1915/05/12 |
Full specification filed date | |
Application number | 523791D |
Grant date | 1921/04/29 |
Granted? | Yes |
Publication date | 1921/08/25 |
Supplementary to patent | |
Related to aircraft? | Yes |
Serial number | |
Patent agent | Eugene Testavin |
Assigned to | |
National tech categories | FR 6.4 |
IPCs | IPC B64C27/46 |
CPCs | CPC B64C27/46 |
Family year | 1915 |
First filing? | Yes |
Cites these patents | |
Citations from after 1930 | |
Application ID | 19340274 |
INPADOC family ID | 10316672 |
Number of text pages | 3 |
Number of diagram pages | 1 |
Number of figures | 7 |
Number of claims | 4 |