(under subclass 1) Apparatus for forming in situ an elongated rigid construction having a limited closed peripheral surface and which is greatly elongated relative to any internal dimension.
SEE OR SEARCH THIS CLASS, SUBCLASS:
1, for mold for molding a protective coating on a pile.
143, for molds for forming a fence post.
SEE OR SEARCH CLASS
52, Static Structures (e.g., Buildings),
155+, for a formed structure having a feature facilitating the insertion of said structure into the earth and subclasses 720.1+ for a formed elongated rigid shaft. 264, Plastic and Nonmetallic Article Shaping or Treating: Processes,
32, for a process of forming vertical-cylindrical structure in situ.
405, Hydraulic and Earth Engineering,
233+, for methods and apparatus for casting a pile in situ; and subclass 257 for the pile, per se. Class 405 will take a mold structure specifically designed to be driven in the earth even though the mold structure is removed from the finished product, e.g., a mold for forming a pile having a case hardened pointed bottom for driving the same in the ground.