Accessories for use in apiculture
US4992073A · kind A · utility
6Cited by
13References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 1988 |
| Grant date | Feb 12, 1991 |
| Priority date | — |
| Expiry date | Nov 30, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24149
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Beehive accessories are disclosed including artificial honeycomb, foundation units, covers, bottom boards, queen excluders, queen cages, cell cups and the like. These components are formed as a solid homogeneous mass from polypropylene copolymer and from 7.5 to 15% by weight of a wax.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.