US PATENT SUBCLASS 494 / 72
.~.~.~.~ And extending therebeyond generally downwardly

Current as of: June, 1999
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494 /   HD   IMPERFORATE BOWL: CENTRIFUGAL SEPARATORS

43  DF  ROTATABLE BOWL {16}
67  DF  .~ Including structure located within vertically-oriented bowl and extending outwardly from central region (e.g., axis) thereof {2}
68  DF  .~.~ Comprising plurality of elements, each concentrically encircling axis of bowl and spaced therealong {2}
70  DF  .~.~.~ Each extending away from region with significant downward, as well as significant outward, component (e.g., nested cones) {3}
72.~.~.~.~ And extending therebeyond generally downwardly

DEFINITION

Classification: 494/72

And extending therebeyond generally downwardly:

(under subclass 70) Apparatus wherein each element extends additionally, beyond the downward and outward portion, in a direction which is at least principally, if not exclusively, downward.

(1) Note. The plurality of additional extensions of this subclass often presents the appearance of a plurality of concentric cylinders (if directed exclusively downward) or near-cylinders (if directed principally downward).