Patent AT-1918-95440
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This patent deals with moving propeller elements which are responsive to a barometer.
It refers to priority of several German filings, dated 29 January 1917, 30 January 1917, 31 January 1917, and 23 April 1917. (Patent DE-1917-328806 corresponds to 31 January.)
- Inventor location: Berlin-Neukölln
Sources
- Original patent document and Bibliographic info on this patent at DPMA
- Original patent document and bibliography entry on espacenet
| Year filed | 1918 |
|---|---|
| Year granted | 1923 |
| Office | AT |
| Patent number | 95440 |
| Inventors | Christian Lorenzen |
| Inventor country | DE |
| Applicant person | |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Luftschraube mit umlaufend winkelsteurbaren Flügeln |
| English title | Aerial propeller with revolving wings that can be set at an angle |
| Tech fields | wings, propeller, barometer |
| Filing date | 1918-08-03 |
| Full specification filed date | |
| Application number | |
| Grant date | 1923-07-15 |
| Granted? | 1 |
| Publication date | 1923-12-27 |
| Supplementary to patent | Patent DE-1917-328806, Patent DE-1917-333471, Patent DE-1917-305040, Patent DE-1917-323641, Patent DE-1917-333471 |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | AT 77d |
| IPCs | |
| CPCs | |
| Family year | |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 3 |
| Number of diagram pages | 1 |
| Number of figures | 6 |
| Number of claims | 7 |
