Patent FR-1891-217128
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- Inventor location: rue Fontaine, 9, Paris
Sources
- BOPI (1891, tome 11)
- Bibliographic record of this patent at archives.inpi.fr
Patents which are supplementary to this one
- Patent FR-1892-217128.1 (English title: cert of addition to the patent taken, 1_ October 1891, for a gyroscopic rudder, Filing date: 1892-05-01)
| Year filed | 1891 |
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| Year granted | |
| Office | FR |
| Patent number | 217128 |
| Inventors | P. G. Backman |
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| Applicant person | P. G. Backman |
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| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Gouvernail gyroscopique |
| English title | Gyroscopic rudder |
| Tech fields | rudder, gyroscope |
| Filing date | October 31, 1891 |
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| Granted? | Yes |
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| Related to aircraft? | Partially |
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| First filing? | Yes |
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