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Class Information
Number: 400/497
Name: Typewriting machines > With control of "carbon paper" for typing plural simultaneous copies by single impression (e.g., on "manifold set")
Description: Subject matter wherein one typewriter, using one set of key* elements and one type-set-assemblage*, types one "original copy" and at least one "carbon copy", the carbon copy being produced by use of "carbon paper" adjacent to the carbon copy, and wherein significance is attributed to the use of, movement of, or position of, carbon paper in the typing of the carbon copy.
Sub-classes under this class:
Patents under this class:
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