(under subclass 66) Method or apparatus wherein fibers are treated for the purpose of removing undesirable material therefrom, without otherwise working the fibers or assembling them into a blend or structure.
SEE OR SEARCH CLASS
8, Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers,
137+, for cleaning or laundering.
15, Brushing, Scrubbing, and General Cleaning,
256.6, for strand cleaning, and see (1) Note to subclass 262 of this class. 131, Tobacco, for tobacco disintegrating and cleaning.
241, Solid Material Comminution or Disintegration, appropriate subclasses for crushing foreign material from fibers.
