US PATENT SUBCLASS 33 / 536
.~.~ Sine, cosine, or tangent bar

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

501  DF  GAUGE {61}
534  DF  .~ Angle {3}
536.~.~ Sine, cosine, or tangent bar {1}
537  DF  .~.~.~> Article support

DEFINITION

Classification: 33/536

Sine, cosine or tangent bar:

(under subclass 534) Subject matter wherein the contact member forms a plane which makes an angle with a known plane, the angle being defined in terms of a sine, cosine or tangent trignometric function.

SEE OR SEARCH THIS CLASS, SUBCLASS:

531+, for an internal or external taper gauge using a bar.

537, for an adjustable article support to position an article by a sine, cosine or tangent bar.

567, for a gauge block, per se.