Patent DE-1910-236961
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- Inventor location: Berlin-Tempelhof
Sources
- Lilienthal museum patents
- Jahrbuch der Luftfahrt vol. 2 (1912), p. 447
- Original patent document and Bibliographic info at DPMA
- Original patent document and bibliography entry at espacenet
| Year filed | 1910 |
|---|---|
| Year granted | 1911 |
| Office | DE |
| Patent number | 236961 |
| Inventors | Fritz H. Grawert |
| Inventor country | DE |
| Inventor location | |
| Applicant person | Fritz H. Grawert |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Propeller, inbesondere für Wasser- und Luftschiffe, mit seitlich versetzten Flügeln |
| English title | Propeller, especially for water- and aircraft, with laterally tapered blades |
| Tech fields | propeller, propeller blades |
| Filing date | 1910-03-04 |
| Full specification filed date | |
| Application number | |
| Grant date | |
| Granted? | 1 |
| Publication date | 1911-07-15 |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | DE 77h.6 |
| IPCs | IPC B64C11/16 |
| CPCs | CPC B64C11/16 |
| Family year | 1910 |
| First filing? | 1 |
| 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 | 1 |
