Ventilated cage and open rack system
US4989545A · kind A · utility
23Cited by
16References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 27, 1990 |
| Grant date | Feb 5, 1991 |
| Priority date | — |
| Expiry date | Apr 27, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K1/031
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The ventilated cage and rack system is provided having a plurality of shelves which act as air plenums for conveying air to a plurality of predetermined air positions within the ventilated rack. At least one cage is provided for housing at least one animal therein, the cage is a cage level barrier having a gas impermeable portion having upstanding sidewalls and a filter bonnet positioned on the sidewall. The plenum shelf removes air disposed at the filter bonnet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.