US PATENT SUBCLASS 33 / 535
.~.~ Squareness

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

501  DF  GAUGE {61}
534  DF  .~ Angle {3}
535.~.~ Squareness

DEFINITION

Classification: 33/535

Squareness:

(under subclass 534) Subject matter wherein the contact member checks for a ninety degree angle formed by one side of an article and an adjacent side of the same article.