Expandable water filter reservoir
US9382131B1 · kind B1 · utility
Inventors
Key dates
| Filing date | May 22, 2013 |
| Grant date | Jul 5, 2016 |
| Priority date | — |
| Expiry date | Mar 28, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2307/04
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
An expandable water filtering pitcher having a pitcher with a top portion, a base portion and an inner wall surface defining an internal volume of the pitcher, a spout at the top portion at a pitcher opening, a handle attached to an exterior of the pitcher, a filter adapter mounted within the pitcher top portion. The filter adapter is within a reservoir comprising an opening therethrough from the top portion to the base portion of the pitcher and a reservoir sleeve movably coupled to the reservoir and top portion, at least one of the reservoir and the reservoir sleeve moveable in relation to the other between a refracted position defining a first reservoir volume within the reservoir and reservoir sleeve, and an expanded position defining a second reservoir volume within the reservoir and reservoir sleeve at least 40% larger than the first reservoir volume.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.