(under subclass 189) Subject matter wherein the pipe penetrates or pierces the plate or side and extends therethrough a distance significantly greater than that necessary to effect the joint.
SEE OR SEARCH THIS CLASS, SUBCLASS:
20, for a joint between spaced plates and pipe extending through at least one of the plates including an assembly means or feature.
42+, for a roof or floor drain flashing connection.
56+, for a floor supported water closet type joint.
154.1+, for a pipe to box joint requiring two walls of the box.
