Liquid measuring device
US6629468B2 · kind B2 · utility
1Cited by
12References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 9, 2002 |
| Grant date | Oct 7, 2003 |
| Priority date | — |
| Expiry date | Jan 9, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/2575
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A liquid measuring device is described for carrying out the assay using a gas or vapor permeable but liquid impermeable membrane barrier to control the volume of liquid to be measured or transferred. The membrane may be used in any instance where a fixed volume of liquid needs to be measured.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.