US PATENT SUBCLASS 33 / 555.2
.~.~ Aperture type

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

501  DF  GAUGE {61}
555.1  DF  .~ Circular size {3}
555.2.~.~ Aperture type

DEFINITION

Classification: 33/555.2

Aperture type:

(under subclass 555.1) Subject matter wherein the contact member has a series of holes or a single adjustable hole to determine the size of the circular article.

SEE OR SEARCH THIS CLASS, SUBCLASS:

514.1, for hole type ring gauge.