US PATENT SUBCLASS 318 / 464
.~.~.~ Electric generator tachometer

Current as of: June, 1999
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318 /   HD   ELECTRICITY: MOTIVE POWER SYSTEMS

445  DF  AUTOMATIC AND/OR WITH TIME-DELAY MEANS (E.G., AUTOMATIC STARTING AND/OR STOPPING) {20}
461  DF  .~ Speed or rate-of-movement {3}
463  DF  .~.~ Tachometer-type detector {1}
464.~.~.~ Electric generator tachometer

DEFINITION

Classification: 318/464

(under subclass 463) Subject matter in which the speed sensing device comprises an electric generator connected to be driven by and in proportion to the speed of the motor or other moving body.

SEE OR SEARCH CLASS

322, Electricity: Single Generator Systems, appropriate subclasses, for motor driven generators in general.