Control-lever for a game
US4503299A · kind A · utility
130Cited by
14References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 1982 |
| Grant date | Mar 5, 1985 |
| Priority date | — |
| Expiry date | Aug 2, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S200/29
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A control-lever for a game in which a movable object is displaceable by gravity to operate a detector. In one embodiment the movable element is a pendulum and in a second embodiment the element is a ball rolling in one or more channels. The ball can be a solid object or a ball of mercury.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.