Piston, cartridge, dispenser
US11938506B2 · kind B2 · utility
0Cited by
26References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 2020 |
| Grant date | Mar 26, 2024 |
| Priority date | — |
| Expiry date | Jan 22, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05C17/00596
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A piston for a support sleeve of a dispensing assembly, the piston has a substantially cylindrical outer shape and includes a piston body as well as first and second film bag retainers arranged at opposite sides of the piston body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.