Patent DE-1914-304614
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Looks like Patent US-1914-1273799 was split up for the German applications. The figures in the present patent match figures 15–17 in the US original. Yet the original is not mentioned, and, meanwhile, this patent presented as a supplement to a Sperry filing in Germany from 1911.
- 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 3/4 (23 February 1918), p. 32: 42 C, 35. 304 614. Vorrichtung zum Ablesen des wahren Kurses an Kreiselkompassen; Zus. z. Pat. 288 818. The Sperry Gyroscope Company, New York; Vertr.: A. du Bois-Reymond, M. Wagner u. G. Lemke, Pat.-Anwälte, Berlin SW. 11
| Year filed | 1914 |
|---|---|
| Year granted | 1918 |
| Office | DE |
| Patent number | 304614 |
| 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 | Vorrichtung zum Ablesen des wahren Kurses an Kreiselkompassen |
| English title | Apparatus for reading true direction by gyro-compass |
| Tech fields | gyroscope, compass, navigation, instrument |
| Filing date | 1914-04-22 |
| Full specification filed date | |
| Application number | |
| Grant date | |
| Granted? | 1 |
| Publication date | 1918-03-22 |
| Supplementary to patent | Patent DE-1911-288818, 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 | 1911 |
| First filing? | 0 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 3 |
| Number of claims | 3 |
