Method of killing field mice and the like and apparatus for practicing the method
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United States of America Patent
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Jul 1, 1986
Grant Date -
N/A
app pub date -
Feb 27, 1984
filing date -
Feb 27, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Liquid nitrogen is poured in an amount sufficient to suffocate the field mouse to death into one of the openings of a burrow formed in the ground, and the poured liquid nitrogen is then evaporated to thereby fill the burrow with the evaporated nitrogen and cause the evaporated nitrogen to issue from the other openings by expansion thereof, whereby the field mouse in the burrow is suffocated to death. The method gives no adverse effect on living creatures except the field mice to which the method is applied and enables efficiently getting rid of mice.
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