US PATENT SUBCLASS 4 / 397
.~.~.~.~ Having seating guide

Current as of: June, 1999
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4 /   HD   BATHS, CLOSETS, SINKS, AND SPITTOONS

300  DF  FLUSH CLOSET {22}
353  DF  .~ Tank only {9}
378  DF  .~.~ With outlet valve {6}
395  DF  .~.~.~ Float type {4}
397.~.~.~.~ Having seating guide {4}
398  DF  .~.~.~.~.~> Cage type
399  DF  .~.~.~.~.~> Valve moves relative to guide through bottom of valve
400  DF  .~.~.~.~.~> Valve-attached seating element enters discharge pipe
401  DF  .~.~.~.~.~> Plural static guides

DEFINITION

Classification: 4/397

Having seating guide:

(under subclass 395) Subject matter includes means to limit lateral valve motion as the valve approaches the seated position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

358, for an outlet valve with a guide in a pressure tank.

393, for a pivoted outlet valve.

396, for a static guide means for a free floating outlet valve.