US PATENT SUBCLASS 400 / 277
.~ Including limit stop (e.g., block, chain, etc.)

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

251  DF  CASE-SHIFT MECHANISM {14}
277.~ Including limit stop (e.g., block, chain, etc.) {1}
278  DF  .~.~> Including limit screw

DEFINITION

Classification: 400/277

Including limit stop (e.g., block, chain, etc.):

(under subclass 251) Subject matter wherein said relative movement is halted at the extreme ends of the desired movement by the interengagement of a component that moves with the case-shift* mechanism and a component that is fixed to the typewriter.