US PATENT SUBCLASS 510 / 174
.~.~ For removing ink, pencil, or writing fluid markings (e.g., ball pen fluid, printer's or magnetic ink, etc.)

Current as of: June, 1999
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510 /   HD   CLEANING COMPOSITIONS FOR SOLID SURFACES, AUXILIARY COMPOSITIONS THEREFOR, OR PROCESSES OF PREPARING THE COMPOSITIONS

108  DF  CLEANING COMPOSITIONS OR PROCESSES OF PREPARING (E.G., SODIUM BISULFATE COMPONENT, ETC.) {21}
109  DF  .~ For cleaning a specific substrate or removing a specific contaminant (e.g., for smoker's pipe, etc.) {50}
174.~.~ For removing ink, pencil, or writing fluid markings (e.g., ball pen fluid, printer's or magnetic ink, etc.)

DEFINITION

Classification: 510/174

For removing ink, pencil, or writing fluid markings (e.g., ball pen fluid, printer's or magnetic ink, etc.):

(under subclass 109) Compositions specialized for removing

ink, pencil, or writing fluid markings from solid substrates.

SEE OR SEARCH CLASS

523, Synthetic Resins or Natural Rubbers - Part of the Class 520 Series,

161, for correction fluids used to cover up such markings.