Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnet structure or material
Reexamination Certificate
2007-10-30
2007-10-30
Barrera, Ramon M. (Department: 2832)
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Magnet structure or material
C600S012000
Reexamination Certificate
active
11137836
ABSTRACT:
An improved animal pill or cow magnet that is inserted into the stomach of a bovine animal to attract and hold tramp metal ingested by the animal so as to prevent the adverse condition commonly referred to as “hardware disease.” The disclosed device has at least a pair of NdFeB magnets separated by a carbon steel section within the stainless steel outer casing. The resulting magnetic field for the overall animal pill magnet has a single polarity, which by design can be either N or S.
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Animal Supplies International, Inc.
Barrera Ramon M.
Jones Day
LandOfFree
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