Laminar sheet construction
US5529835A · kind A · utility
3Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1993 |
| Grant date | Jun 25, 1996 |
| Priority date | — |
| Expiry date | Jul 22, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/456
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Graphic laminar sheet material in which a barrier layer separates a base layer and an eradicable layer of color contrasting with the base layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.