US PATENT SUBCLASS 210 / 532.1
.~ Heavier constituent trap, chamber, or recess

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

513  DF  GRAVITATIONAL SEPARATOR {6}
532.1.~ Heavier constituent trap, chamber, or recess {2}
532.2  DF  .~.~> Septic tank
533  DF  .~.~> Closure or valve controlled discharge {3}

DEFINITION

Classification: 210/532.1

Heavier constituent trap, chamber, or recess:

(under subclass 513) Apparatus providing a trap, chamber, or recess for receiving the heavier constituent.

SEE OR SEARCH CLASS

166, Wells,

105.1+, for well pumps having sediment traps or deflectors; and subclasses 105.5+ for liquid-gas separators; i.e., gas anchors.