US PATENT SUBCLASS 400 / 604
.~.~ Attachment to typewriter for converting to condensed-billing operation

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

578  DF  SHEET OR WEB (E.G., RECORD-MEDIUM FEEDING MECHANISM) {13}
595  DF  .~ Including insertion of sheet from front of platen (e.g., for "condensed billing", via sheet guide, etc.) {9}
604.~.~ Attachment to typewriter for converting to condensed-billing operation

DEFINITION

Classification: 400/604

Attachment to typewriter for converting to condensed-billing operation:

(under subclass 595) Subject matter wherein significance is attributed to a structure that may be affixed to or removed from a typewriter, which structure enables the typewriter to be used for condensed-billing* if so desired by a typist.