Patent US-1929-1775861
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Aircraft with VTOL for large cities, and adjustable propellers so they could drive the aircraft forward. Also a mechanism to vary the angles of the wings of the aircraft.
- Included here to fill out the aero career of inventor Lehberger
- Tech class CPC B64C29/0033: Aircraft capable of landing or taking-off vertically having its flight directional axis horizontal when grounded the lift during taking-off being created by free or ducted propellers or by blowers the propellers being tiltable relative to the fuselage
- signed May 27, 1929, and recorded as filed at USPO the next day.
Sources
- Patent 1775861 document and bibliographic info on espacenet
- Patent 1775861 at google patents
| Year filed | 1929 |
|---|---|
| Year granted | 1930 |
| Office | US |
| Patent number | 1775861 |
| Inventors | George Lehberger |
| Inventor country | US |
| Applicant person | George Lehberger |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Flying machine |
| English title | Flying machine |
| Tech fields | helicopter |
| Filing date | May 28, 1929 |
| Full specification filed date | |
| Application number | |
| Grant date | September 16, 1930 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | 366607 |
| Patent agent | Leoik? C. Fischer |
| Assigned to | |
| National tech categories | USPC 244/7R, USPC 244/65 |
| IPCs | IPC B64C29/00 |
| CPCs | CPC B64C29/0033 |
| Family year | 1929 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 9 |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 4 |
| Number of figures | 8 |
| Number of claims | 3 |
