Classifying – separating – and assorting solids – Sifting – Elements
Reexamination Certificate
2011-07-19
2011-07-19
Matthews, Terrell H (Department: 3653)
Classifying, separating, and assorting solids
Sifting
Elements
C209S393000, C209S395000, C209S397000, C209S400000, C209S401000
Reexamination Certificate
active
07980392
ABSTRACT:
A screen for a vibratory separator, the screen including at least two layers of screening material, including a first layer and a second layer, the first layer made of a plurality of intersecting first wires, the second layer made of a plurality of intersecting second wires, the first wires including first shute wires and first warp wires, the second wires including second shute wires and second warp wires, certain of the first warp wires aligned with a second warp wire, and/or certain of the first shute wires aligned with a second shute wire. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 CFR 1.72(b).
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Larson Thomas Robert
Schulte, Jr. David Lee
Matthews Terrell H
Varco I/P
Williams Morgan & Amerson P.C.
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