Filter having an interior liquid displacement means
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 2, 1980
Grant Date -
N/A
app pub date -
Feb 23, 1979
filing date -
Feb 23, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A filter having a housing in which a filtering medium such as a rigid screen and removable bag is located. A removable, hollow closed container is located within the filter housing inside the filtering medium. A spring is compressed between the container and the top of the filter to cause the container to be pressed into contact with the filtering medium.
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Cited Art Landscape
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