US PATENT SUBCLASS 200 / 19.25
.~.~.~ Vacuum or suction controlled advance mechanism


Current as of: June, 1999
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200 /   HD   ELECTRICITY: CIRCUIT MAKERS AND BREAKERS

19.01  DF  PERIODIC {13}
19.2  DF  .~ Cam operated {2}
19.21  DF  .~.~ Adjustable {4}
19.25.~.~.~ Vacuum or suction controlled advance mechanism


DEFINITION

Classification: 200/19.25

Vacuum or suction controlled advance mechanism:

(under subclass 19.21) Subject matter wherein the process or condition of sucking controls advance mechanism, directly responsive to changes in engine temperature, automatically adjusts the time of the spark.