US PATENT SUBCLASS 123 / 406.4
.~.~.~.~.~.~ And specific system component mounting or location details

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

406.11  DF  SPARK IGNITION TIMING CONTROL {5}
406.12  DF  .~ Electronic control {10}
406.19  DF  .~.~ Closed loop feedback control of spark timing {5}
406.26  DF  .~.~.~ Combustion condition responsive {4}
406.29  DF  .~.~.~.~ Engine knock responsive {4}
406.37  DF  .~.~.~.~.~ Having specific knock detecting means {3}
406.4.~.~.~.~.~.~ And specific system component mounting or location details

DEFINITION

Classification: 123/406.4

And specific system component mounting or location details:

(under subclass 406.37) Subject matter including a particular structural aspect of a means for attaching to the engine either (a) a portion of the regulating means or (b) the transducer for sensing a characteristic of the force of the shock wave.