US PATENT SUBCLASS 400 / 645.2
.~.~.~ On or with erasing plate or signal or indicator


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}
642  DF  .~ Including sheet guide (e.g., for sheet insertion, etc.) {5}
645  DF  .~.~ Sheet holddown member (e.g., "paper-finger", end-of-page holddown, etc.) {5}
645.2.~.~.~ On or with erasing plate or signal or indicator


DEFINITION

Classification: 400/645.2

On or with erasing plate or signal or indicator:

(under subclass 645) Subject matter wherein the member is mounted on or is part of a support that is used to support a record-medium* while a record-medium has an eraser applied thereto, or wherein the member is mounted on or is part of a measuring instrument that is calibrated in units corresponding to character-space* distances, or wherein the member is provided with means to alert the typist to a condition of the typewriter.

SEE OR SEARCH THIS CLASS, SUBCLASS:

698, for an erasing table.