Puzzle device
US5417425A · kind A · utility
143Cited by
6References
16Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 8, 1994 |
| Grant date | May 23, 1995 |
| Priority date | — |
| Expiry date | Apr 8, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63F2009/241
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A puzzle device which includes an array of indicators, each of the indicators capable of alternately indicating a first state or a second state; means for selecting one of the array of indicators; and means for changing, upon the selection of one of the array of indicators, the state of at least one of the other of the indicators based on a pre-determined pattern.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.