US PATENT SUBCLASS 400 / 20
.~.~ Rotatable disc scriber

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}
18  DF  .~ By scriber (e.g., pen, pencil, etc.) or with scriber guide {2}
20.~.~ Rotatable disc scriber

DEFINITION

Classification: 400/20

Rotatable disc scriber:

(under subclass 18) Subject matter wherein the instrumentality is a plate turned on an axis and having a

thin peripheral edge that is coated with ink* that is transferred to the record-medium* as the plate is turned while the edge is in contact with the record-medium and while relative movement between the plate axis and the record-medium occurs.