US PATENT SUBCLASS 210 / 442
.~.~.~.~ Head and base connected

Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

348  DF  FILTER {25}
435  DF  .~ Within flow line or flow line connected close casing {9}
437  DF  .~.~ Central internal liquid receiver, e.g., tube {3}
441  DF  .~.~.~ Attached to casing {1}
442.~.~.~.~ Head and base connected

DEFINITION

Classification: 210/442

(under subclass 441) Apparatus in which the central liquid receiving means is attached, at each of its ends, to opposed parts of the casing.