(under subclass 47) Subject matter wherein counterparts of the characters to be cast are adapted to be presented to the mold and form the characters in the casting operation.
(1) Note. Modifications of the construction of the matrices to cooperate with space-bands are classifiable in this class, subclass 68.
(2) Note. Compare this class, subclass 96 and Class 164, Metal Founding, subclasses 139+.
