US PATENT SUBCLASS 33 / 827
.~.~.~ Inside measurement only

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

700  DF  DISTANCE MEASURING {13}
783  DF  .~ Opposed contacts {10}
813  DF  .~.~ Micrometer {10}
827.~.~.~ Inside measurement only

DEFINITION

Classification: 33/827

Inside measurement only:

(under subclass 813) Subject matter wherein the contacts are arranged for measuring the internal space between selected portions of an object.

(1) Note. The measurement of the inside diameter of a workpiece is provided for here.

(2) Note. For stem gauge calipers which measure internally see the Search Notes below.

SEE OR SEARCH THIS CLASS, SUBCLASS:

542.1, for stem gauge caliper.