Tea pot with one-way valve
US8763517B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Dec 26, 2011 |
| Grant date | Jul 1, 2014 |
| Priority date | — |
| Expiry date | Feb 17, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47J31/0615
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A tea pot is provided with a container having an upper reservoir, a lower reservoir, and an intermediate dividing member; a cavity formed with the dividing member and having an upper opening for communicating with the upper reservoir, and a lower opening for communicating with the lower reservoir; a receptacle in the upper reservoir and including a ball receiving well; a vent pipe partially positioned in the receptacle and having a passageway; a threaded recess extending outward from the cavity and being open to an outer surface of the container; a rotatable cylinder inserted through the recess into the cavity and including a hollow main body having surface openings; a nut secured to the recess; and a knob secured to the cylinder. Communication from the upper reservoir to the lower reservoir through the openings of the main body can be open or closed by turning the knob.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.