Toy construction system
US5984756A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 18, 1998 |
| Grant date | Nov 16, 1999 |
| Priority date | — |
| Expiry date | Mar 18, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63H33/10
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The invention relates to a toy construction system comprising building elements of a first type having a pair of opposed walls that define a space between said opposed walls, wherein the space has, at the free edges of the opposed walls, an open end and two opposed open sides, and wherein those sides of the walls that face towards the space are provided with protrusions, and building elements of a second type having a coupling head that may, by snap-fit with the protrusions, be received and releasably secured in the space between the walls on a building element of the first type. The toy construction system is characterised in that the protrusions are situated at the free edges of the walls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.