Double decker selective bird feeder
USD320875S · kind S · design
17Cited by
7References
1Claims
0Family size
Inventor
Key dates
| Filing date | Nov 16, 1989 |
| Grant date | Oct 15, 1991 |
| Priority date | — |
| Expiry date | Oct 15, 2005 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.