US PATENT SUBCLASS 33 / 27.06
.~.~ Circle forming pin and jointed arm

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

18.1  DF  SCRIBER {10}
27.01  DF  .~ Curved line {13}
27.06.~.~ Circle forming pin and jointed arm

DEFINITION

Classification: 33/27.06

Circle forming pin and jointed arm:

(under subclass 27.01) Subject matter which includes two movably connected members having a point at the intersection of the two members used to mark a point on a circle when each member at the same time touches a point on the circle.