US PATENT SUBCLASS 33 / 501.05
.~ Comparator

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

501  DF  GAUGE {61}
501.05.~ Comparator {3}
501.06  DF  .~.~> Beam type {1}
501.08  DF  .~.~> Hand held {2}
501.6  DF  .~.~> Electric type

DEFINITION

Classification: 33/501.05

Comparator:

(under subclass 501) Subject matter having means for comparing an article or material with a given size or measurement.

(1) Note. These gauges have set probes, a zero dial with plus or minus mark, etc., but do not give a variable measurement as classified in subclasses 700.

SEE OR SEARCH THIS CLASS, SUBCLASS:

700, for distance measurement.