US PATENT SUBCLASS 74 / 473.22
.~.~.~.~ Prevention of reverse shift


Current as of: June, 1999
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74 /   HD   MACHINE ELEMENT OR MECHANISM

469  DF  CONTROL LEVER AND LINKAGE SYSTEMS {8}
471 R  DF  .~ Multiple controlled elements {3}
473.1  DF  .~.~ Transmission control {11}
473.21  DF  .~.~.~ Restriction of shift, gear selection, or gear engagement {5}
473.22.~.~.~.~ Prevention of reverse shift


DEFINITION

Classification: 74/473.22

Prevention of reverse shift:

(under subclass 473.21) Restricted shift, gear selection or gear engagement wherein a reverse shift, selection, or engagement is averted, impeded, or prohibited.

SEE OR SEARCH CLASS

477, Interrelated Power Delivery Controls, Including Engine Control,

126+, for the prevention of an unsafe or unintentional

reverse shift.