US PATENT SUBCLASS 400 / 272
.~ Including key attachment for case-shift

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


400 /   HD   TYPEWRITING MACHINES

251  DF  CASE-SHIFT MECHANISM {14}
272.~ Including key attachment for case-shift {1}
273  DF  .~.~> Operated by user's leg, (e.g., foot, knee, etc.)

DEFINITION

Classification: 400/272

Including key attachment for case-shift:

(under subclass 251) Subject matter wherein case-shift* is effected by a key* element on the key-board* that is pressed, the pressing of the case-shift key being caused by a device that is connected to the typewriter, which device is actuated or operated by the typist.