US PATENT SUBCLASS 123 / FOR 107
.~ Barometric pressure responsive controller (123/412)

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

FOR 101  DF  SPARK IGNITION TIMING CONTROL (123/406) {16}
FOR 107.~ Barometric pressure responsive controller (123/412)

DEFINITION

Classification: 123/FOR.107

Barometric pressure responsive controller:

Subject matter wherein the ignition timing control means is responsive to barometric or atmospheric pressure.