Patent DE-1914-305415
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Supplementary to Patent US-1914-1273799, based on priority date given in ZFM. Hannibal C. Ford and Harry L. Tanner are not mentioned here but are given on this database as the inventors based on the US patent.
- Inventor location: New York
Sources
- Original patent document and Bibliographic info at DPMA
- Original patent document and bibliography entry at espacenet
- Zeitschrift für Flugtechnik und Motorluftschiffahrt Jahrgang IX., Heft 5/6 (28 March 1918), p. 44: 42C, 35. 305415. The Sperry Gyroscope Comp., Brooklyn, New York, V. St. A.; Vertr.: A. du Bois-Reymond, Max Wagner. G. Lemke, Pat.-Anwälte, Berlin SW. 11. Kreiselkompaß. 22. 4. 14, S. 42000. V. St. Amerika 7. 3. 14.
| Year filed | 1914 |
|---|---|
| Year granted | 1918 |
| Office | DE |
| Patent number | 305415 |
| Inventors | Hannibal C. Ford, Harry L. Tanner |
| Inventor country | US |
| Applicant person | |
| Applicant firm | Sperry Gyroscope Company |
| Applicant type | COMPANY |
| Applicant is inventor? | |
| Original title | Kreiselkompaß |
| English title | Gyroscopic compass |
| Tech fields | gyroscope, compass, gyro-compass, navigation |
| Filing date | 1914-04-22 |
| Full specification filed date | |
| Application number | |
| Grant date | |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | Patent US-1914-1273799 |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | A. du Bois-Reymond, M. Wagner u. G. Lemke |
| Assigned to | |
| National tech categories | DE 42c.35 |
| IPCs | |
| CPCs | |
| Family year | 1914 |
| First filing? | 0 |
| Cites these patents | |
| Citations from after 1930 | |
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