US PATENT SUBCLASS 106 / 31.32
.~.~.~.~ Erasable, purified, correctable, fugitive, indicator, conductive, fluorescent, chromogenic, or magnetic composition

Current as of: June, 1999
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106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
31.01  DF  .~ Marking {14}
31.13  DF  .~.~ Inks {6}
31.27  DF  .~.~.~ Organic dye containing {10}
31.32.~.~.~.~ Erasable, purified, correctable, fugitive, indicator, conductive, fluorescent, chromogenic, or magnetic composition

DEFINITION

Classification: 106/31.32

Erasable, purified, correctable, fugitive, indicator, conductive, fluorescent, chromogenic, or magnetic compound:

(under subclass 31.27) Compositions having the characteristic of being erasable purified, correctable, fugitive, indicative, conductive, fluorescent, chromogenic or magnetic in nature.

SEE OR SEARCH THIS CLASS, SUBCLASS:

31.23, for invisible inks that are erasable compositions.

31.84, for inks, containing a pigment, which are erasable, purified, correctable, fugitive, indicator, conductive, fluorescent, chromogenic, or magnetic.