US PATENT SUBCLASS 33 / 738
.~.~.~ Having rectilinear scale

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}
738.~.~.~ Having rectilinear scale

DEFINITION

Classification: 33/738

Having rectilinear scale:

(under subclass 734) Subject matter wherein the means to indicate distance is restricted to move in a straight path.