Classifying – separating – and assorting solids – Sifting – Elements
Reexamination Certificate
2007-03-26
2010-12-14
Crawford, Gene (Department: 3653)
Classifying, separating, and assorting solids
Sifting
Elements
C209S395000, C209S397000, C209S399000, C209S405000
Reexamination Certificate
active
07850010
ABSTRACT:
The present invention provides a screen for separating materials according to particle size. The screen has a body, a plurality of fingers, and a plurality of rods. The fingers may be integrally formed with the body. The rods are supported within the body and extend within the fingers to provide structural stability.
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Crawford Gene
Matthews Terrell H
McDonald Hopkins LLC
Tylinter, Inc.
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