US PATENT SUBCLASS 33 / 746
.~.~.~ Rotating and stationary surfaces

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

700  DF  DISTANCE MEASURING {13}
732  DF  .~ Of flexible material {7}
734  DF  .~.~ By rolling contact {11}
746.~.~.~ Rotating and stationary surfaces

DEFINITION

Classification: 33/746

Rotating and stationary surfaces:

(under subclass 734) Subject matter wherein the surface of a rotatable member bears on a nonmovable surface while the material is moved between them.