Motor-driven model airplane having a pusher propeller
US3940882A · kind A · utility
15Cited by
3References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 18, 1974 |
| Grant date | Mar 2, 1976 |
| Priority date | — |
| Expiry date | Nov 18, 1994 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63H27/02
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A motor-driven model airplane which is designed to have a pusher propeller to free the fuselage from aerodynamic influences of propeller slip stream and also to protect the fuselage from such damage as would be caused by collision in flight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.