US PATENT SUBCLASS 210 / 460
.~.~ Attached to open end of pipe

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

348  DF  FILTER {25}
459  DF  .~ Pipe or plate attached type {1}
460.~.~ Attached to open end of pipe {3}
461  DF  .~.~.~> Spaced wall-type element
462  DF  .~.~.~> Pipe is connection to plate
463  DF  .~.~.~> Inserted holder

DEFINITION

Classification: 210/460

(under subclass 459) Apparatus in which the filter element or its supporting structure is mounted on the open end of the pipe and extends beyond the open end.

SEE OR SEARCH THIS CLASS, SUBCLASS:

449, for a filter element totally enclosed in a flow confining casing attached to a pipe.

482, for a filter secured to the lower end of a prefilt receiver, said lower end being similar in structure to a pipe.