Water filter
US4504389A · kind A · utility
90Cited by
15References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 17, 1983 |
| Grant date | Mar 12, 1985 |
| Priority date | — |
| Expiry date | Jan 17, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2307/06
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A water filter for use in connection with a replaceable cartridge is disclosed. The cartridge filter has four stages, and a housing for the cartridge filter has a base in which the cartridge filter is mounted on a water-flow-control section extending from the base. The water-flow-control section includes a linearly slidable plunger that directs water either toward or away from the cartridge filter by means of a rotatable lever connected to a slot in the plunger.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.