Classifying – separating – and assorting solids – Sifting – Elements
Reexamination Certificate
2005-03-08
2005-03-08
Walsh, Donald P. (Department: 3653)
Classifying, separating, and assorting solids
Sifting
Elements
C209S405000, C209S412000
Reexamination Certificate
active
06863182
ABSTRACT:
A method and apparatus for separating material, particularly excavated material is presented. The method and apparatus utilize a releasable and interchangeable screen assembly which is positioned on top of a frame having a slanted grate. The screen assembly includes bar members which traverse the top of the screen and inverted hook members attached to a top surface of the bar members to enable an equipment bucket to engage the inverted hook members in order to lift and move the screen assembly.
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Rodriguez Joseph C
Snell & Wilmer L.L.P.
Walsh Donald P.
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