(under subclass 146) Processes for producing paper or film coated on one side with carbon or a similar dark-colored substance, which coated paper is intended to be placed between two sheets of paper so that the pressure of writing, drawing, typing etc., on the upper sheet makes a copy on the lower.
(1) Note. The coating may be something other than carbon, e.g., dyes in a wax, etc.
SEE OR SEARCH CLASS
462, Books, Strips, and Leaves for Manifolding, especially
69, for carbon paper and similar manifolded articles which are more than mere stacks or piles of coated sheets.
