.~ Connected to a source of external fluid under pressure {5}
255.07
.~.~ With means to block or clear the overflow
DEFINITION
Classification: 4/255.07
With means to block or clear the overflow:
(under subclass 255.04) Subject matter wherein the apparatus includes means to close an overflow during obstruction removal (i.e. to prevent loss of fluid pressure) or is used to remove an obstruction from the overflow.
SEE OR SEARCH THIS CLASS, SUBCLASS:
255.01+, for another type of obstruction remover having means to block or clear the overflow.
694, for means to block the overflow preventing water from flowing into or gas escaping from the overflow.
