US PATENT SUBCLASS 400 / 209
.~ For bottom-strike typewriter

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}
209.~ For bottom-strike typewriter

DEFINITION

Classification: 400/209

For bottom-strike typewriter:

(under subclass 191) Subject matter wherein significance is attributed to a ribbon* specialized for use in a typewriter in which type-face* elements impact against the platen* (and thereby impact against a record-medium* that is backed by the platen) at a print-point* located adjacent to an underneath part of the platen.