US PATENT SUBCLASS 377 / 92
.~ Pawl and rachet


Current as of: June, 1999
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377 /   HD   ELECTRICAL PULSE COUNTERS, PULSE DIVIDERS, OR SHIFT REGISTERS: CIRCUITS AND SYSTEMS

82  DF  ELECTROMECHANICAL COUNTER {10}
92.~ Pawl and rachet


DEFINITION

Classification: 377/92

Pawl and ratchet:

(under subclass 82) Subject matter where the electromagnetic means controls a ratchet.