Liquid bird feeder
US8720374B2 · kind B2 · utility
0Cited by
27References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2012 |
| Grant date | May 13, 2014 |
| Priority date | — |
| Expiry date | Jan 20, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K39/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A liquid hummingbird feeder is provided with a liquid container having a sealable top opening and a bottom opening, a liquid tray adapted to immerse the bottom opening in liquid, and a valve mechanism adapted to close the bottom opening to enable the liquid container to be filled through the sealable top opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.