Icosahedron decimal dice
US5909874A · kind A · utility
Inventors
Key dates
| Filing date | Aug 12, 1997 |
| Grant date | Jun 8, 1999 |
| Priority date | — |
| Expiry date | Aug 12, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63F2009/0446
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A die of uniformly distributed material comprising a plurality of faces having a triangular shape and a plurality of numbers imprinted on the die. Each of the plurality of numbers imprinted on the die appear on a separate face, wherein each number appears on at least twice on the die. The dice are capable of generating random numbers, including negative and positive numbers, for use with board games, lotteries, stock market determinations, scientific work and other applications where random numbers are needed. For more complex random number generation, the system includes at least two dice having a distinct color and at least twenty faces, and a pattern of numbers imprinted on each dice, each number of the pattern appearing on a separate face of the dice, wherein the numbers have a different color than the dice.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.