Plastic sheets with lenticular lens arrays
US7609450B2 · kind B2 · utility
21Cited by
22References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 29, 2007 |
| Grant date | Oct 27, 2009 |
| Priority date | — |
| Expiry date | Aug 20, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2011/0016
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A lenticular sheet, in one exemplary embodiment, includes a first surface having at least two portions, an opposing second surface, and a plurality of lenticular lenses formed in the first surface. Each portion of the first surface includes a number of lenticular lenses per centimeter that is different from the number of lenticular lenses per centimeter of an adjacent portion of the first surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.