US PATENT SUBCLASS 400 / 259
.~.~ For shifting platen

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

251  DF  CASE-SHIFT MECHANISM {14}
258  DF  .~ Power-operated mechanism (e.g., for locking shift key) {2}
259.~.~ For shifting platen

DEFINITION

Classification: 400/259

For shifting platen:

(under subclass 258) Subject matter wherein said force is used to move the platen* in its case-shift* movement.