Method for determining when to replace a filter having a pressure relief valve
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United States of America Patent
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-
Dec 19, 2006
Issued Date -
N/A
app pub date -
Dec 30, 2004
filing date -
Jul 25, 2000
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A fluid filter assembly having a relief valve for visually indicating when a filter element may be replaced. The fluid filter assembly of the present invention provides a vertical, transparent housing having a fluid inlet for communicating a fluid into the housing and a fluid outlet for communicating fluid downstream of the housing. A filter element is disposed within the housing between the fluid inlet and the fluid outlet for filtering the fluid.
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