US PATENT SUBCLASS 283 / 97
.~.~ Water

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}
96  DF  .~ Utilizing solvent {1}
97.~.~ Water

DEFINITION

Classification: 283/97

Water:

(under subclass 96) Subject matter wherein the substance is a clear, colorless, inert liquid chemically described as HOH.