Apparatus and method to display information using an information layer laminate
US8917302B2 · kind B2 · utility
0Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2008 |
| Grant date | Dec 23, 2014 |
| Priority date | — |
| Expiry date | Feb 2, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/34
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method to display information using an information layer laminate comprising at least three color layers each comprising a different color by selectively removing one or more portions of a first color layer to display portions of a second color layer, and selectively removing one or more portions of a first color layer and one or more portions of a second color layer to display portions of a third color layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.