US PATENT SUBCLASS 33 / 778
.~.~ On running material (e.g., mill type)

Current as of: June, 1999
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33 /   HD   GEOMETRICAL INSTRUMENTS

700  DF  DISTANCE MEASURING {13}
772  DF  .~ Of length by rolling contact {7}
778.~.~ On running material (e.g., mill type)

DEFINITION

Classification: 33/778

On running material (e.g., mill type):

(under subclass 772) Subject matter wherein the means that bears on material is caused to rotate by movement of the material.