US PATENT SUBCLASS 33 / 550
.~.~ Concentricity

Current as of: June, 1999
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501  DF  GAUGE {61}
549  DF  .~ With support for gauged article {3}
550.~.~ Concentricity

DEFINITION

Classification: 33/550

Concentricity:

(under subclass 549) Subject matter wherein the article has an external surface having an axis of symmetry and the contact member contacts points on the external surface to determine whether the points are at the same distance from the axis or not.

(1) Note. Eccentricity testing is here.

SEE OR SEARCH THIS CLASS, SUBCLASS:

543, for an internal concentricity or eccentricity gauge.

556+, for an external concentricity or eccentricity gauge.