Three-dimensional jigsaw puzzle
US8544849B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2009 |
| Grant date | Oct 1, 2013 |
| Priority date | — |
| Expiry date | Apr 14, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63F2009/124
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The invention relates to a three-dimensional, self-supporting jigsaw puzzle, having a multiplicity of puzzle pieces resulting in a hollow body in the assembled state, each puzzle piece having an upper face associated with the exterior of the hollow body, a lower face associated with the interior of the hollow body, an edge extending between the upper face and the lower face, and at least one connecting region extending from the edge in the form of a recess or an extension.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.