US PATENT SUBCLASS 283 / 96
.~ Utilizing solvent

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

Internet Version by PATENTEC © 1999      Terms of Use


283 /   HD   PRINTED MATTER

72  DF  HAVING REVEALABLE CONCEALED INFORMATION, FRAUD PREVENTER OR DETECTOR, USE PREVENTER OR DETECTOR, OR IDENTIFIER {15}
96.~ Utilizing solvent {1}
97  DF  .~.~> Water

DEFINITION

Classification: 283/96

Utilizing solvent:

(under subclass 72) Subject matter wherein the information is made readable or understandable, or the larceny prevention or signalling occurs by the use of a substance which is capable of dissolving a portion of the printed matter.