US PATENT SUBCLASS 4 / 255.06
.~.~ With flow control valve

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

Internet Version by PATENTEC © 1999      Terms of Use


4 /   HD   BATHS, CLOSETS, SINKS, AND SPITTOONS

255.01  DF  OBSTRUCTION REMOVER {3}
255.04  DF  .~ Connected to a source of external fluid under pressure {5}
255.06.~.~ With flow control valve

DEFINITION

Classification: 4/255.06

With flow control valve:

(under subclass 255.04) Subject matter wherein the apparatus includes a device to control the flow of fluid between the external source of fluid under pressure to the obstruction, to clear the obstruction from the drain pipe of the sink, bath, or flush closet.