US PATENT SUBCLASS 340 / 607
.~.~.~.~ Filter clogging

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


340 /   HD   COMMUNICATIONS: ELECTRICAL

500  DF  CONDITION RESPONSIVE INDICATING SYSTEM {6}
540  DF  .~ Specific condition {18}
603  DF  .~.~ Fluent material {7}
606  DF  .~.~.~ Flow rate {5}
607.~.~.~.~ Filter clogging

DEFINITION

Classification: 340/607

Filter clogging:

(under subclass 606) Subject matter wherein the flow is monitored to indicate blockage of a filter in the flow path.

SEE OR SEARCH THIS CLASS, SUBCLASS:

608, for flow stoppage indication in general.

SEE OR SEARCH CLASS

210, Liquid Purification or Separation,

85+, for matter of that class combined with alarm or signal means.