Stimulus indicating device employing polymer gels
US8619507B2 · kind B2 · utility
5Cited by
89References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 2013 |
| Grant date | Dec 31, 2013 |
| Priority date | — |
| Expiry date | Jan 14, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04F1/06
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention relates to a stimulus-indicating device. More particularly, the present invention relates to an apparatus and method for evidencing when a product has been exposed to a designated stimulus for a certain period of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.