Tamper evident optical device and article utilizing the same
US5005719A · kind A · utility
14Cited by
3References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 1989 |
| Grant date | Apr 9, 1991 |
| Priority date | — |
| Expiry date | Jun 19, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D55/066
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Tamper evident optical device comprising a substrate and a multi-layer taper evident splittable coating carried by the substrate. The coating has a release region formed therein. An adhesive is secured to the tamper evident coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.