Apparatus for indicating color
US4156528A · kind A · utility
Inventor
Key dates
| Filing date | Mar 2, 1977 |
| Grant date | May 29, 1979 |
| Priority date | — |
| Expiry date | Mar 2, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S273/27
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Apparatus for indicating color by the sense of touch, which said apparatus is in the form of a game comprising a playing board with playing holes in it and at least two sets of playing pieces, the playing pieces in each said set each having a different shape, and each different shape representing a different color whereby blind, color blind and partially sighted persons can play said game with sighted persons and because said blind, color blind and partially sighted persons can determine color by feeling the shape of the playing pieces they can refer to the color of the playing pieces and are thus not placed at a psychological disadvantage to said sighted persons who play said game by referring to the color of said playing pieces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.