Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Transparent
Reexamination Certificate
2006-12-19
2006-12-19
Cecil, Terry K. (Department: 1723)
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Transparent
C210S130000
Reexamination Certificate
active
07150824
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.
REFERENCES:
patent: 2638581 (1953-05-01), Marvel
patent: 3331509 (1967-07-01), Gray, Jr.
patent: 3374892 (1968-03-01), Samalon
Conti Ken
Rucinski Kevin J.
Smith Paul B.
Tondreau Alfred
Cecil Terry K.
Davco Technology, LLC
Young & Basile
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