Apparatus for random number selection
US4533143A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 6, 1984 |
| Grant date | Aug 6, 1985 |
| Priority date | — |
| Expiry date | Jul 6, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63F2250/04
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A portable hand held apparatus for randomly selecting by chance a plurality of numbers particularly suitable for lottery selections. A plurality of buoyant cubes are contained in the fluid tight generally opaque container. The container has a window for viewing a predetermined number of the cubes temporarily trapped and arranged adjacent the window after agitating the container by a user. A cube receiving channel is formed within the container adjacent the window for releasably trapping a desired number of cubes adjacent the window. The fluid and buoyant cubes provide a pleasing movement of the cubes within the container when agitated by the user and randomly come to rest adjacent the viewing window.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.