Venting system for a product dispensing device
US7874464B2 · kind B2 · utility
5Cited by
16References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 7, 2006 |
| Grant date | Jan 25, 2011 |
| Priority date | — |
| Expiry date | Jul 25, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA45D2200/051
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A device for containing and dispensing a product includes a piston secured to a base portion and a housing configured to be secured to the base portion, the housing including an open first end for receiving the piston and a second end for dispensing the product. At least one aperture is formed on a portion of the piston to allow air compressed in the device to flow there through.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.