Environmental history monitor with security features
US11951761B2 · kind B2 · utility
1Cited by
83References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 2020 |
| Grant date | Apr 9, 2024 |
| Priority date | — |
| Expiry date | Nov 28, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N31/229
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Environmental monitors for monitoring a predetermined environmental exposure, for example, an historical heat exposure such as a cumulative ambient heat exposure and/or a peak ambient heat exposure may include an environmental indicator material and a security material. The environmental monitor may be configured to attach to a host product for monitoring the predetermined environmental exposure of the host product, and additionally serve as an anti-counterfeiting indicator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.