Patent FR-1909-401863.12307
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This is a 1st addition to a French patent filed 11 aug 1908, number 401863, Patent FR-1908-401863.
It is -- unusually, I think -- in different IPC and CPC categories from the parent patent. It's an example.
Compressed air is used here to enhance the performance of propellers. Motor safety is maintained by way of improved ventilation and cooling.
Sources
- Original patent document and bibliography entry on espacenet
- Inventor location: département Isère, France
Year filed | 1909 |
---|---|
Year granted | 1910 |
Office | FR |
Patent number | 12307 |
Inventors | Paul Bergeon |
Inventor country | FR |
Applicant person | Paul Bergeon |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | Yes |
Original title | Aéroplane |
English title | Aeroplane |
Tech fields | Airplane, safety, propellers, propulsion, petroleum, ventilation |
Filing date | 1909/06/02 |
Full specification filed date | |
Application number | 12307D |
Grant date | 1910/06/08 |
Granted? | Yes |
Publication date | 1910/08/29 |
Supplementary to patent | Patent FR-1908-401863 |
Related to aircraft? | Yes |
Serial number | |
Patent agent | Armengaud jeune |
Assigned to | |
National tech categories | FR 6.4 |
IPCs | IPC B64C39/00 |
CPCs | CPC B64C39/00 |
Family year | 1908 |
First filing? | No |
Cites these patents | |
Citations from after 1930 | |
Application ID | 18717381 |
INPADOC family ID | 5197239 |
Number of text pages | 2 |
Number of diagram pages | 1 |
Number of figures | 4 |
Number of claims | 6 |