Indicators
US8833292B2 · kind B2 · utility
1Cited by
50References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 2010 |
| Grant date | Sep 16, 2014 |
| Priority date | — |
| Expiry date | Jan 26, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01K3/04
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An indicator device includes a surface provided with at least one channel or at least one through-hole with at least two openings, wherein flowable material in an immobile state is provided adjacent to the channel or adjacent to a first opening of the through-hole, such that after application of a stimulus the material is directed along the channel by the action of capillary forces or into the at least one through-hole by the action of capillary forces and emerges at a second opening, thereby providing an indication of the application of the stimulus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.