For typing or forming continuous or discontinuous line (e.g., by "liner") > By scriber (e.g., pen, pencil, etc.) or with scriber guide > Rotatable disc scriber > Patents

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Class Information
Number: 400/20
Name: Typewriting machines > For typing or forming continuous or discontinuous line (e.g., by "liner") > By scriber (e.g., pen, pencil, etc.) or with scriber guide > Rotatable disc scriber
Description: 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.

Patents under this class:

Patent Number	Title Of Patent	Date Issued
5108203	Printing apparatus including error correction and memory means, for printing vertical and horizontal form lines	Apr. 28, 1992
4363557	Marking device for shorthand machine	Dec. 14, 1982
4270866	Platen positioning attachment for typewriters for typewriting musical notation	Jun. 2, 1981