Environmental history monitor with positional displacement and security features
US11241902B1 · kind B1 · utility
6Cited by
83References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 2020 |
| Grant date | Feb 8, 2022 |
| Priority date | — |
| Expiry date | Sep 17, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01K11/12
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
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.