Combined ball and flexible track
US4052067A · kind A · utility
12Cited by
3References
9Claims
0Family size
Inventor
Key dates
| Filing date | Oct 12, 1976 |
| Grant date | Oct 4, 1977 |
| Priority date | — |
| Expiry date | Oct 12, 1996 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63F7/388
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
There is provided an amusement device characterized by an elongated flexible trackway of generally U-shaped cross section and having holders at each end of the trackway, particularly hand holders for holding the open end of the U-shaped cross section upwardly directed, and a spherical ball dimensioned for rolling contact with the track portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.