US PATENT SUBCLASS 33 / 570
.~.~.~ Pin and slot type

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

501  DF  GAUGE {61}
568  DF  .~ Work support adjustment {1}
569  DF  .~.~ Rotary {1}
570.~.~.~ Pin and slot type

DEFINITION

Classification: 33/570

Pin and slot type:

(under subclass 569) Subject matter wherein the structure to change the angular position of the member includes slots or holes about a center of rotation and a peg inserted into a selected slot or hole.