US PATENT SUBCLASS 400 / 219.1
.~.~.~ Including an electric switch

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}
218  DF  .~ Ribbon-reversing mechanism {4}
219  DF  .~.~ Including means responsive to depletion of ribbon supply {4}
219.1.~.~.~ Including an electric switch

DEFINITION

Classification: 400/219.1

Including an electric switch:

(under subclass 219) Subject matter wherein said detecting means includes a device for influencing an electrical circuit used in the operation of a member or members controlling the direction of movement of the ribbon*.