Oestrus Detector
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United States of America Patent
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app pub date -
Apr 13, 2015
filing date -
Dec 1, 2009
priority date (Note) -
Abandoned
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Abstract
An oestrus detector includes a reservoir portion which contains a coloured liquid. The detector further includes a generally planar portion that is attached to and sealed from the reservoir portion, except for an open or closed passage in a seal line separating the reservoir portion and the generally planar portion. In use the liquid is squeezed from the reservoir portion, through the passage, and into the generally planar portion, when the reservoir portion receives pressure.
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