US PATENT SUBCLASS 324 / 168
.~.~ Including periodic switch

Current as of: June, 1999
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324 /   HD   ELECTRICITY: MEASURING AND TESTING

160  DF  ELECTRICAL SPEED MEASURING {7}
166  DF  .~ Including speed-related frequency generator {5}
168.~.~ Including periodic switch {2}
169  DF  .~.~.~> In ignition system {1}
171  DF  .~.~.~> With extent-of-travel indicator

DEFINITION

Classification: 324/168

(under subclass 166) Subject matter in which the means for producing a signal includes an electrical circuit breaker actuated at a frequency representative of the speed being measured.

SEE OR SEARCH CLASS

200, Electricity: Circuit Makers and Breakers,

19.01+, for periodically actuated switches.