Housing with replaceable filter cartridge for use with shower head
US4933080A · kind A · utility
58Cited by
20References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 1989 |
| Grant date | Jun 12, 1990 |
| Priority date | — |
| Expiry date | Jan 13, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2307/06
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A shower filter is adapted to be installed between a plumbing pipe and a shower head. The filter includes a changeable filter cartridge. A three position valve in the appliance is able to (a) block all flow of water, (b) deliver filtered water, or (c) deliver unfiltered water. An adapter may be used to enable the appliance to receive different types of filter cartridges.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.