Patent ID: 7527020
Filing Date: 2009-05-05
Classification: A01K

Abstract:
1. A free-standing rodent containment cage comprising a base and a cover, wherein: the cover and base are constructed from a polymer; the base comprises a wall or walls and a bottom; the wall or walls of the base are 0.01 to 0.03 inches thick; the cage is free-standing; the base or cover, or base and cover, have at least one corner or edge present in the interior of the cage, accessible to a rodent that can be contained in the cage, and defined by surfaces having an angle α is greater than 180 degrees and less than 360 degrees; all corners and edges of the base or cover, or base and cover, present in the interior of the cage, accessible to a rodent that can be contained in the cage, and defined by surfaces having said angle α, have a minimum radius φ; φ=0.25/(tan((π/360)(360−α))); inches and α is measured in the cage interior.