US PATENT SUBCLASS 180 / 406
.~.~ With fluid backup

Current as of: June, 1999
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180 /   HD   MOTOR VEHICLES

400  DF  STEERING GEAR {8}
405  DF  .~ With alternate emergency power means (e.g., pump, gearing, etc.) {2}
406.~.~ With fluid backup

DEFINITION

Classification: 180/406

With fluid backup:

(under subclass 405) Subject matter wherein the secondary means is hydraulic.