(under subclass 49) Roll, which includes particular material or chemical composition.
(1) Note. A patent claiming a roll merely by the composition of which it is made; i.e., with the roll being mentioned by name only, is classified in the composition classes where a composition class provides for such composition even though there is no claim to the composition, per se. See Class 106, Compositions: Coating or Plastic, main class definition for the classification of various compositions.
SEE OR SEARCH CLASS
106, Compositions: Coating or Plastic, see (1) Note, above.
400, Typewriting Machines,
661+, for type impact-receiving platens composed of sound deadening materials, and subclass 662 for a platen having particular surface characteristics.
