US PATENT SUBCLASS 210 / 459
.~ Pipe or plate attached type

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

348  DF  FILTER {25}
459.~ Pipe or plate attached type {1}
460  DF  .~.~> Attached to open end of pipe {3}

DEFINITION

Classification: 210/459

(under subclass 348) Apparatus in which the filter element is mounted on a pipe, plate or wall.

SEE OR SEARCH THIS CLASS, SUBCLASS:

103+, for grated inlet surface drains.

172, for a separator ancillary to a tank for storage of fluid for use other than that of this class (210).

457+, for a filter element having a central pervious liquid receiving tube.

473+, for a filter attached to a portable receiver, as a funnel. SEE OR SEARCH CLASS

166, Wells,

227+, for well screens and see the Notes thereto.