Check valve
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United States of America Patent
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-
Jan 9, 1996
Grant Date -
N/A
app pub date -
Feb 15, 1994
filing date -
Jul 5, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A check valve with a housing having a valve seat, a valve closing member cooperating with the valve seat and an upstream dirt trapping filter, particularly for sanitary water fittings, wherein the dirt trapping filter and housing are of a unitary construction.
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