(under subclass 383) Subject matter including means whereby a nonmetallic material is positioned between the electrodes of the device in such a position that, upon application of a voltage to the electrodes, the material within the influence of the electrodes is caused to be disintegrated thereby
causing a permanent void or perforation therein.
SEE OR SEARCH CLASS
83, Cutting,
16, for processes utilizing means for heating material at a localized area such as a line of separation and subclass 170 for heat apparatus for heating the work.
283, Printed Matter,
72+, for fraud prevention devices utilizing perforating or other material marking devices which are of the electric arc type. 346, Recorders, particularly
150.2, for phenomenal electric recorders in general wherein an electric arc penetrates the recording medium.
347, Incremental Printing of Symbolic Information,
159+, for generic electric recorder wherein an electric arc penetrates the recording medium.
428, Stock Material or Miscellaneous Articles,
596, for metallic stock material which has apertures that may be the result of a metal heating process.
