US PATENT SUBCLASS 33 / 604
.~.~.~ With piston

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

501  DF  GAUGE {61}
600  DF  .~ Automotive {10}
603  DF  .~.~ Connecting rod {1}
604.~.~.~ With piston

DEFINITION

Classification: 33/604

With piston:

(under subclass 603) Subject matter wherein the gauge contacts the piston attached to the connecting rod.