Anti-harvestable security feature
US10864762B2 · kind B2 · utility
3Cited by
1References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 2017 |
| Grant date | Dec 15, 2020 |
| Priority date | — |
| Expiry date | Nov 17, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M3/06
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A security device includes an array of image icon elements and an array of image icon focusing elements, wherein the array of image icon elements and the array of image icon focusing elements are disposed relative to each other such that the security device projects a synthetic image along a viewing angle and wherein the security device is configured to physically degrade when exposed to temperatures above an anti-harvesting temperature, the anti-harvesting temperature being lower than a harvesting temperature of a coupling between the security device and a substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.