Bird feeder system
US4747370A · kind A · utility
17Cited by
11References
7Claims
0Family size
Inventor
Key dates
| Filing date | May 9, 1986 |
| Grant date | May 31, 1988 |
| Priority date | — |
| Expiry date | May 9, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K39/012
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Bird feeder system including a bird feeder bag of bird feed and at least one downward telescoping section extending from a base of the bag. In one embodiment, two telescoping sections are provided which telescope from the base of the bird feeder bag. Feed such as seeds fall down through the telescoping sections, and into feeding trays through geometrically configured elongated openings on lower opposing longitudinal sides of each telescoping section. A lip of finite height surrounding each of the feed trays provides for the gravity feed attaining a predetermined height within the tray.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.