US PATENT SUBCLASS 400 / 22
.~ Underscoring concurrently with character imprinting

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

16  DF  FOR TYPING OR FORMING CONTINUOUS OR DISCONTINUOUS LINE (E.G., BY "LINER") {4}
22.~ Underscoring concurrently with character imprinting

DEFINITION

Classification: 400/22

Underscoring concurrently with character imprinting:

(under subclass 16) Subject matter wherein the typewriter is provided with type-face* elements that are selectively impressed against the record-medium* to imprint character* symbols on the record-medium, and wherein a mark is imprinted at the same time that a character is imprinted, the mark being a short line that is imprinted underneath any of the selected characters.