(under the class definition) Molding apparatus having means to form a portion on the face of the product shaped to interconnect with a face portion of a conforming and mating shape in another like product to form a joint.
SEE OR SEARCH THIS CLASS, SUBCLASS:
9, for molding apparatus for forming an expansion joint in a road, pacement or curb.
SEE OR SEARCH CLASS
52, Static Structures (e.g., Buildings),
519+, for formed building structures having interfitted facings.
425, Plastic Article or Earthenware Shaping or Treating: Apparatus, 108, for molding apparatus arranged for rod end to rod end splicing or joining.
