Filter system using plastic frames along structural wall of animal confinement building
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United States of America Patent
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Jun 9, 2015
Grant Date -
Dec 20, 2012
app pub date -
May 24, 2012
filing date -
May 27, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A filter assembly including a rectangular inlet frame having a rectangular inlet opening to receive a primary filter and optional a prefilter. The filter assembly may include a rectangular outlet frame and a housing body that is collapsible to have a flattened shipping state and an erect state. The rectangular inlet frame may also be used as a housing by itself to support and house primary filters and prefilters. A gridwork including one or more grid dividers may be used in the rectangular inlet frame to provide 2 or more openings for receipt of filters.
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Family
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