Patent FR-1877-118987
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This is patent of 15 years.
Sources
- CdB (Info pertinent to 1877)
Inventor location: St. Petersburg
Year filed | 1877 |
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Year granted | 1877 |
Office | FR |
Patent number | 118987 |
Inventors | Comte Antoine Apraxine |
Inventor country | RU |
Applicant person | Comte Antoine Apraxine |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | Yes |
Original title | Perfectionnements aux ballons aériens |
English title | Improvements to aerial balloons |
Tech fields | balloons |
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Full specification filed date | |
Application number | |
Grant date | 1877-06-12 |
Granted? | Yes |
Publication date | |
Supplementary to patent | |
Related to aircraft? | Yes |
Serial number | |
Patent agent | Mennons |
Assigned to | |
National tech categories | FR 6.3 |
IPCs | |
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Family year | |
First filing? | 1 |
Cites these patents | |
Citations from after 1930 | |
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INPADOC family ID | |
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