US PATENT SUBCLASS 400 / 265
.~.~ Fore-and-aft (e.g., for top-strike or bottom-strike typewriter)


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

251  DF  CASE-SHIFT MECHANISM {14}
264  DF  .~ For shifting platen {3}
265.~.~ Fore-and-aft (e.g., for top-strike or bottom-strike typewriter)


DEFINITION

Classification: 400/265

Fore-and-aft (e.g., for top-strike or bottom-strike typewriter):

(under subclass 264) Subject matter wherein the movement of the platen* during case-shift* is in a direction that extends between the front and rear of the typewriter and substantially parallel to the bottom of the typewriter.

(1) Note. The typewriter of this subclass is usually one wherein the type-face* impacts against the top of the platen or the bottom of the platen.