Three-dimensional needlepoint canvas
US6705867B2 · kind B2 · utility
2Cited by
9References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 2002 |
| Grant date | Mar 16, 2004 |
| Priority date | — |
| Expiry date | Apr 29, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24298
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The present invention relates to closed three-dimensional needlepoint canvases. Each of the canvases of the present invention is made from two interconnectable perforated shells. In various embodiments, interchangeable shells of different shapes are provided which can be connected together to form three-dimensional canvases in a variety shapes and sizes. In certain embodiments the shells have mechanically interlocking bases for easy detachment without external clips. The invention also provides craft kits containing the three-dimensional needlepoint canvases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.