Patent RU-1909-41475
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В. І. Гофман matches Wilhelm Jakob Hoffmann who we know had several German patents in 1908–9 related to turning/steering of airplanes. The possibilities had dates of 1908-10-02, 1908-12-04, and 1909-11-29 (one day before the present filing).
This application was given a protection certificate numbered 41475 when it was filed; we have no evidence that it was granted.
- Inventor status: иностранец – foreigner
Sources
- Patent list in Vozdukhoplavatel Vol. 7 No. 5 (May 1910), p. 430. A review in May of patents from November 1909 through February 1910, compiled by Л. Розенцвейг, L. Rosenzweig.
- This application received a protection certificate based on Article 198/7 of the 1906 Industrial Law – Охранительныя свидѣтельства, выданныя на основании ст. 198/7 уст. о промышленности (прод. св. зак. Рос. Имп. 1906 г. ч. 4). (At the time Rosenzweig published this list, the patents only had provisional protection with serial numbers.)
- HathiTrust OCR: 17 ноября-\41475— Иностранцу В. І. Гофману — на на- правляющее приспособленіе къ аэропланамъ
- 1909-11-17 Julian = 1909-11-30 Gregorian
- VPTB search – no match
| Year filed | 1909 |
|---|---|
| Year granted | |
| Office | RU |
| Patent number | |
| Inventors | Wilhelm Jakob Hoffmann |
| Inventor country | DE |
| Applicant person | В. І. Гофман |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | направляющее приспособленіе къ аэропланамъ |
| English title | Turning apparatus for airplanes |
| Tech fields | airplane, rudder, control |
| Filing date | 1909-11-30 |
| Full specification filed date | |
| Application number | |
| Grant date | |
| Granted? | 0 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | 41475 |
| Patent agent | |
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| Family year | 1909 |
| First filing? | 0 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
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