Bird excluding technique
US5295455A · kind A · utility
5Cited by
7References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 30, 1992 |
| Grant date | Mar 22, 1994 |
| Priority date | — |
| Expiry date | Nov 30, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K39/0113
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
To provide access to a bird feeder to desirable species while excluding House Sparrows (Passer domesticus), a loop is mounted above the feeder and extends outwardly a few inches. The excluder is fastened to the bird feeder by staples or adhesives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.