Liquid purification or separation – Filter – Within flow line or flow line connected close casing
Reexamination Certificate
2008-06-03
2008-06-03
Drodge, Joseph (Department: 1797)
Liquid purification or separation
Filter
Within flow line or flow line connected close casing
C210S450000, C210S455000, C210S494100, C210S497010
Reexamination Certificate
active
07380676
ABSTRACT:
A filtering device (10) comprises a plurality of layers of paper (40). The paper (40) is formed with projections (120)) so that cavities (122) are located between adjacent layers of paper (40). A liquid being filtered passes between adjacent layers, filling at least some of the cavities (122).
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Briggs and Morgan P.A.
Capes Nelson R.
Drodge Joseph
Helget Gerald E.
Winchester Global Pty Ltd
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