Canvas bridge
US7793909B2 · kind B2 · utility
0Cited by
3References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 9, 2007 |
| Grant date | Sep 14, 2010 |
| Priority date | — |
| Expiry date | Jan 17, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB44D3/185
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The canvas bridge is an easel accessory made of any material which is sturdy, durable and still retains some flexibility. It can be made of materials with a wide variety of properties. The design fits all easels. It is a long rectangular piece of material with a variety of lengths. Each end is elongated on the bottom side, creating the visual image of a bridge, from which a sharpened metal nail, or nail-like material extending approximately ¼ inch which is pushed into the canvas stretcher bars (stretcher bars are the wooden frame upon which the canvas is stretched).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.