US PATENT SUBCLASS 347 / 161
.~.~ Electrical discharge burning (e.g., oxidation or electroerosion)

Current as of: June, 1999
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347 /   HD   INCREMENTAL PRINTING OF SYMBOLIC INFORMATION

111  DF  ELECTRIC MARKING APPARATUS OR PROCESSES {3}
159  DF  .~ By electrical discharge (e.g., spark) {3}
161.~.~ Electrical discharge burning (e.g., oxidation or electroerosion)

DEFINITION

Classification: 347/161

Electrical discharge burning (e.g., oxidation or electroerosion):

(under subclass 159) Subject matter wherein the medium is oxidized or eroded by the dielectric breakdown.