US PATENT SUBCLASS 400 / 494
.~.~ Having raised or recessed character

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

472  DF  KEY-BOARD OR KEY LEVER-ACTUATING MECHANISM {12}
490  DF  .~ Key-cap or key-stem structure {5}
494.~.~ Having raised or recessed character

DEFINITION

Classification: 400/494

Having raised or recessed character:

(under subclass 490) Subject matter wherein said key* cap is provided with an indicium representing the character* symbol that will be imprinted on the record-medium* when a key element bearing said key cap is pressed, which indicium projects above the top surface of the key cap or is formed as a groove in the top surface of the key cap.