Patent DE-1917-333471
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Part of a series, following Patent DE-1917-305040 and Patent DE-1917-323641.
- Inventor location: Neukölln
Sources
- Original patent document and Bibliographic info at DPMA
- Original patent document and bibliography entry at espacenet
Year filed | 1917 |
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Year granted | 1921 |
Office | DE |
Patent number | 333471 |
Inventors | Christian Lorenzen |
Inventor country | DE |
Applicant person | |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | 1 |
Original title | Vorrichtung zur Veränderung der Flügelsteigung von Luftfahrzeugpropellern |
English title | Apparatus for altering wing pitch of aircraft propellers |
Tech fields | propeller |
Filing date | 1917-02-01 |
Full specification filed date | |
Application number | |
Grant date | |
Granted? | 1 |
Publication date | 1921-02-26 |
Supplementary to patent | Patent DE-1917-305040, Patent DE-1917-323641 |
Related to aircraft? | 1 |
Serial number | |
Patent agent | |
Assigned to | |
National tech categories | DE 77h.6 |
IPCs | IPC B64C11/38 |
CPCs | CPC B64C11/42 |
Family year | |
First filing? | |
Cites these patents | |
Citations from after 1930 | |
Application ID | |
INPADOC family ID | |
Number of text pages | 1 |
Number of diagram pages | 1 |
Number of figures | 1 |
Number of claims | 2 |