Liquid bird feeder
US8028658B2 · kind B2 · utility
16Cited by
5References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2010 |
| Grant date | Oct 4, 2011 |
| Priority date | — |
| Expiry date | Feb 25, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K39/0206
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A liquid bird feeder provides a liquid container having a bottom opening, a liquid tray adapted to attach to the liquid container and adapted to immerse the bottom opening in liquid. The liquid tray includes a bottom port passing through the liquid tray and vertically aligned with the bottom opening, and a valve mechanism adapted to selectively couple the bottom port of the liquid tray to the bottom opening for filling purposes, or to close the bottom port and couple the bottom opening to the liquid tray for supplying liquid from the liquid container to the liquid tray.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.