US PATENT SUBCLASS 123 / 652
.~.~ Interrupter is single transistor

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

594  DF  HIGH TENSION IGNITION SYSTEM {28}
650  DF  .~ Power supply, ignition coil primary, and interrupter element all in series {6}
652.~.~ Interrupter is single transistor

DEFINITION

Classification: 123/652

Interrupter is single transistor:

(under subclass 650) Subject matter in which the interrupter means is a transistor that starts and stops current flow in the coil primary.