Liquid measuring device
US7475608B2 · kind B2 · utility
0Cited by
29References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2006 |
| Grant date | Jan 13, 2009 |
| Priority date | — |
| Expiry date | Mar 30, 2026 |
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.