Patent US-1909-935130
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Wings powered by motor; "forward and upward" motion, adjustable.
- Inventor location: Westend, Germany
- Witnesses at conclusion of printed text: Henry Hasper, Woldemar Haupt
- Witnesses on diagram pages: M. G. Crandall, J. J. McCarthy
Sources
- Patent 935130 document and bibliographic info on espacenet
- Patent 935130 at google patents
Year filed | 1909 |
---|---|
Year granted | 1909 |
Office | US |
Patent number | 935130 |
Inventors | Robert Strehlau |
Inventor country | DE |
Inventor location | |
Applicant person | Robert Strehlau |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | Yes |
Original title | Lifting and driving propeller |
English title | Lifting and driving propeller |
Tech fields | propulsion, navigation, flapping, marine |
Filing date | 1909/04/21 |
Full specification filed date | |
Application number | 1909491394 |
Grant date | 1909/09/28 |
Granted? | Yes |
Publication date | |
Supplementary to patent | Patent DE-1907-217533 |
Related to aircraft? | 1 |
Serial number | 491394 |
Patent agent | Foster, Freeman, Watson & Coit |
Assigned to | |
National tech categories | USPC 244/22 |
IPCs | IPC B64C33/00 |
CPCs | CPC B64C33/02 |
Family year | 1907 |
First filing? | 0 |
Cites these patents | |
Citations from after 1930 | |
Application ID | 47228917 |
INPADOC family ID | 43890831 |
Number of text pages | 3 |
Number of diagram pages | 2 |
Number of figures | 8 |
Number of claims | 10 |