US PATENT SUBCLASS 33 / 27.1
.~.~ Sine curve

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

18.1  DF  SCRIBER {10}
27.01  DF  .~ Curved line {13}
27.1.~.~ Sine curve

DEFINITION

Classification: 33/27.1

Sine curve:

(under subclass 27.01) Subject matter which includes a scribing member moving in a path wherein each point in the path has a "y" coordinate equal to the sine of the angle corresponding to the same point.