Pipette-fillable cartridge
US11577250B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2021 |
| Grant date | Feb 14, 2023 |
| Priority date | — |
| Expiry date | Jul 24, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2035/1039
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A pipette-fillable fluid reservoir body. The fluid reservoir body includes two or more discrete fluid chambers therein. At least one of the fluid chambers contains a pressure compensation device and at least another one of the fluid chambers is devoid of a pressure compensation device. Each of the fluid chambers is in fluid flow communication with a fluid supply via, and each of the fluid chambers have sidewalls and a bottom wall attached to the side walls, wherein the bottom wall slopes toward the fluid supply via. The fluid reservoir body also includes an ejection head support face in fluid flow communication with the fluid chambers for attachment of a fluid ejection device to the ejection head support face for ejecting fluid from the fluid chambers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.