Educational toy
US4173832A · kind A · utility
11Cited by
9References
18Claims
0Family size
Inventors
Key dates
| Filing date | Mar 15, 1978 |
| Grant date | Nov 13, 1979 |
| Priority date | — |
| Expiry date | Mar 15, 1998 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B7/06
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The invention relates to an educational toy in which a child is taught to read by association of a written word with an image. In operation the toy has a learning phase in which the image and the corresponding word are displayed and a testing phase in which the word is hidden and a choice of words is presented to the child for selection of the appropriate word.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.