(under subclass 392) Sifting devices in which the sifting passages are formed by nonintermeshing cords, wires, or other flexible strands.
(1) Note. This subclass will include inter alia devices in which spaced chains form the sifting passages.
SEE OR SEARCH CLASS
428, Stock Material or Miscellaneous Articles,
105+, for a stock material product in the form of a composite web or sheet in which strands, fibers or filaments in respective layers or components are angularly arranged, and subclass 114 for a similar composite product in which the strands, fibers or filaments in respective layers or components are in parallel relation.