Three-dimensional puzzle
US6095521A · kind A · utility
9Cited by
6References
9Claims
0Family size
Inventor
Key dates
| Filing date | Sep 25, 1998 |
| Grant date | Aug 1, 2000 |
| Priority date | — |
| Expiry date | Sep 25, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63F2009/128
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A puzzle is provided including a plurality of portions each with an outer surface defining a portion of a three-dimensional geometric figure. Also included is a plurality of grooves and protrusions formed on inner surfaces of the portions for allowing the portions to be releasably coupled such that the outer surfaces defines the geometric figure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.