(under the class definition) Machines employed in providing the breast of a heel with a covering forming a portion of the tread sole of the shoe.
(1) Note. The machines included have means for preparing the flap, attaching it to the heel breast and trimming the flap to the outline of the heel either in combination with other shoe making operations or as single or plural operations.
(2) Note. Methods of like scope are classified in this class, subclasses 142+.
SEE OR SEARCH THIS CLASS, SUBCLASS:
49.1, for heel covering generally.
142+, see (2) Note above. SEE OR SEARCH CLASS
451, Abrading, for finishing or shaping, generally, by abrading.
