Patent DE-1917-311050
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Some figures missing from DPMA scan.
- Inventor location: München-Neuhausen, Romanstraße 5a
Sources
- Zeitschrift für Flugtechnik und Motorluftschiffahrt vol. 10 (1919) issue 1–2 (25 January), p. 15
- Original patent document and Bibliographic info at DPMA
- Original patent document and bibliography entry at espacenet
Year filed | 1917 |
---|---|
Year granted | 1918 |
Office | DE |
Patent number | 311050 |
Inventors | Jakob Kreitmayer |
Inventor country | DE |
Inventor location | |
Applicant person | Jakob Kreitmayer |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | 1 |
Original title | Hohle Metall-Luftschraube |
English title | Hollow metal aircraft propeller |
Tech fields | metal, propeller |
Filing date | 1917-12-06 |
Full specification filed date | |
Application number | |
Grant date | |
Granted? | 1 |
Publication date | 1919-02-24 |
Supplementary to patent | |
Related to aircraft? | 1 |
Serial number | |
Patent agent | |
Assigned to | |
National tech categories | DE 77h.6 |
IPCs | IPC B64C11/16, IPC B64C27/46 |
CPCs | CPC B64C11/24 |
Family year | 1917 |
First filing? | 1 |
Cites these patents | |
Citations from after 1930 | |
Application ID | |
INPADOC family ID | |
Number of text pages | 3 |
Number of diagram pages | |
Number of figures | 10 |
Number of claims |