US PATENT SUBCLASS 123 / 630
.~ Safety device

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

594  DF  HIGH TENSION IGNITION SYSTEM {28}
630.~ Safety device {2}
631  DF  .~.~> Reverse engine rotation protection
632  DF  .~.~> Ignition switch opened when engine stops

DEFINITION

Classification: 123/630

Safety device:

(under subclass 594) Subject matter in which the ignition system includes an accessory device to prevent operation of the system when an unsafe condition is detected.