Squirrel-proof bird feeder
US10405524B2 · kind B2 · utility
1Cited by
14References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 23, 2015 |
| Grant date | Sep 10, 2019 |
| Priority date | — |
| Expiry date | Mar 4, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K5/0142
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An animal feeder includes a feed bin that is at least partially defined by a base, an interior panel extending upward from the base, and an exterior panel extending upward from the base. An intermediate structure is located between the interior panel and the exterior panel. The feed bin contains an opening that is covered by the intermediate structure when a predetermined weight is placed on the intermediate structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.