(under subclass 356) Apparatus in which the longitudinal dimension of the support, casing or protector extends upwardly and is reduced in cross-section at successively higher levels; or in which the support, casing or protector is designed primarily with a view to elevation by making its height greater than its diameter or making its height relatively great by positioning the support on another structure.
SEE OR SEARCH THIS CLASS, SUBCLASS:
376, for tank supports of other types.
SEE OR SEARCH CLASS
52, Static Structures (e.g., Buildings),
40, for a specific tower or shaft supporting another device, e.g., a tank.
