Patent FR-1864-64483
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This is a patent of 15 years, purportedly having two additions.
We do have access to two earlier patents by this inventor.
- Inventor location: Gray, Haute-Saône, France
- Inventor occupation: doctor, "docteur en médecine", that is, physician
Sources
- INPI advanced research page ; the original is not available in the case of this patent ; application year and "Gray" and "docteur" yield the "notice" results most effectively.
Year filed | 1864 |
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Year granted | |
Office | FR |
Patent number | 64483 |
Inventors | Louis-Edouard Gourdan-Fromentel |
Inventor country | FR |
Inventor location | Gray, Haute-Saône |
Applicant person | Louis-Edouard Gourdan-Fromentel |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | Yes |
Original title | ballhydre propulseur hydraulique |
English title | hydraulic thruster |
Tech fields | propellers, propulsion, LTA |
Filing date | 1867/09/22 |
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Granted? | No |
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Supplementary to patent | |
Related to aircraft? | |
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National tech categories | FR 2 |
IPCs | |
CPCs | |
Family year | 1867 |
First filing? | Yes |
Cites these patents | |
Citations from after 1930 | |
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