Toy building blocks
US5662508A · kind A · utility
47Cited by
9References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 13, 1995 |
| Grant date | Sep 2, 1997 |
| Priority date | — |
| Expiry date | Nov 13, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S493/959
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A toy building block is constructed by folding an integral paperboard blank. The toy building block includes locking tabs and complementary-shaped openings, with the tabs of one toy building block received in the openings of another toy building block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.