Fluid mixture dispensing device
US11337545B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2021 |
| Grant date | May 24, 2022 |
| Priority date | — |
| Expiry date | Dec 14, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47J31/605
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Solvent cartridges for fluid mixture dispensing devices are disclosed. One disclosed solvent cartridge comprises a solvent chamber exposed to atmospheric pressure, a straw located in the solvent chamber and in air-tight fluid communication with a filter assembly along a line of air-tight fluid communication, a sealed device interface in air-tight fluid communication with the filter assembly along the line of air-tight fluid communication, and a filter located in the filter assembly. The filter is positioned across the line of air-tight fluid communication to filter solvent from the solvent chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.