Selectively openable filtering assembly
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United States of America Patent
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-
Feb 6, 1990
Grant Date -
N/A
app pub date -
Mar 28, 1988
filing date -
Mar 28, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A selectively openable filtering assembly includes a filter member for treating a fluid passing therethrough and a cover member for sealing the filter member against communication with the environment. A remotely activated device is provided for opening the cover member to expose the filter member to the environment when it is desired to use the filter member.
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