US PATENT SUBCLASS 510 / 167
.~.~ For magnetic tape or disk, recorder/playback head, or drive assembly therefor

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}
167.~.~ For magnetic tape or disk, recorder/playback head, or drive assembly therefor

DEFINITION

Classification: 510/167

For magnetic tape or disk, recorder/playback head, or drive assembly therefor:

(under subclass 109) Compositions specialized for cleaning magnetic tapes or disks, magnetic recorder or playback heads, or drive assemblies therefor.