US PATENT SUBCLASS 400 / 583.2
.~.~.~ Program is indicia on rotatable disc or drum

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


400 /   HD   TYPEWRITING MACHINES

578  DF  SHEET OR WEB (E.G., RECORD-MEDIUM FEEDING MECHANISM) {13}
582  DF  .~ Including programmed-control-system for record-medium feed (e.g., on auxiliary record) {1}
583  DF  .~.~ For web record-medium {4}
583.2.~.~.~ Program is indicia on rotatable disc or drum

DEFINITION

Classification: 400/583.2

Program is indicia on rotatable disc or drum:

(under subclass 583) Subject matter wherein the instructions are markings or openings or projections in or on a platelike or cylindrical member that turns about its own axis.

(1) Note. The markings or indicia may be magnetically or electrically conductive strips applied to the plate or cylinder in a particular pattern, or may be openings arranged to pass light to a photocell in a particular pattern.