Stimulus indicating device employing polymer gels
US8166906B2 · kind B2 · utility
5Cited by
87References
22Claims
0Family size
Inventors
Key dates
| Filing date | Dec 12, 2007 |
| Grant date | May 1, 2012 |
| Priority date | — |
| Expiry date | Dec 29, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04F1/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention relates to a stimulus-indicating device. More particularly, the present invention relates to an apparatus for evidencing when a stimulus sensitive product has been exposed to a designated or predetermined stimulus for a certain period of time, and the invention relates to a method for manufacturing aspects of that apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.