(under the class definition) Method or apparatus relating to a preformed or cast in situ structure positioned or formed in contact with the earth to provide a stable base for supporting a superstructure.
SEE OR SEARCH THIS CLASS, SUBCLASS:
195.1+, for foundations peculiar to a marine environment.
263+, for a method or apparatus for stabilizing an earthen formation by applying a composition (e.g., cement) to the same.
271, for a method or apparatus for compacting an earthen formation.
SEE OR SEARCH CLASS
52, Static Structures (e.g., Building),
169+, for a construction there provided for with a terranean feature; subclass 274 for an intersecting construction with a foundation; and subclasses 292+ for a footing peculiar to the support of a wall or a shaft.