(under subclass 3.1) Machine adapted to perform two or more operations in the manufacture of shingles.
(1) Note. A "shingle" in this subclass comprises a thin,
oblong (usually rectangular) sheet of wood intended to be laid in overlapping rows to cover the roof or side of a house.
(2) Note. The art of this subclass includes making: a "shingle" which is sometimes limited to such member that is sawn on top and bottom to taper from one end to the other, a "shake" which is split on the top edge and sawn on the bottom edge, and a "board" which is split on both the top and bottom edge.