US PATENT SUBCLASS 283 / 105
.~.~ Perforated

Current as of: June, 1999
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283 /   HD   PRINTED MATTER

72  DF  HAVING REVEALABLE CONCEALED INFORMATION, FRAUD PREVENTER OR DETECTOR, USE PREVENTER OR DETECTOR, OR IDENTIFIER {15}
100  DF  .~ By removeable material {4}
105.~.~ Perforated

DEFINITION

Classification: 283/105

Perforated:

(under subclass 100) Subject matter wherein the material is provided with a hole produced by a piercing, punching, or boring operation.