(under subclass 1) Apparatus for forming a structure in situ for controlling water in an open channel, reservoir or for controlling earth having a tendency to flow.
SEE OR SEARCH THIS CLASS, SUBCLASS:
1, for molds forming cisterns, water tanks, etc., casted in situ and 144+, wherein molds are provided for forming the structures, supra and similar types of a structure not disclosed as being casted in situ.
33+, for molds forming a wall of a building having opposed spaced panels.
51, for molds forming piles or post in situ.
189, for form panels, per se, or a form panel with a tie rod.
SEE OR SEARCH CLASS 405, Hydraulic and Earth Engineering, appropriate subclasses for formed structures. Class 405 will take molding structures for forming hardenable fluent material wherein the molding structure becomes a permanent part of the formed structure.