US PATENT SUBCLASS 400 / 227
.~.~ For narrow carbon ribbon (e.g., carbon ink, "single use", etc.)

Current as of: June, 1999
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400 /   HD   TYPEWRITING MACHINES

191  DF  INCLUDING INTERPOSED INKING DEVICE (E.G., RIBBON) FOR RECORD-MEDIUM {15}
223  DF  .~ Ribbon-feeding mechanism {13}
227.~.~ For narrow carbon ribbon (e.g., carbon ink, "single use", etc.) {2}
227.1  DF  .~.~.~> Ribbon destroyed after use
227.2  DF  .~.~.~> Or for alternatively used fabric ribbon

DEFINITION

Classification: 400/227

For narrow carbon ribbon (e.g., carbon ink, "single use", etc.):

(under subclass 223) Subject matter wherein the ribbon* being moved is a carbon-ink ribbon or a "carbon-paper" ribbon.

(1) Note. See the definition of ribbon in the Glossary, section III, for a discussion of carbon-ink and carbon-paper ribbons, and see (1) Note under subclass 497 for a discussion of the term carbon-paper.