US PATENT SUBCLASS 368 / 164
.~.~.~ With opening and closing of contacts

Current as of: June, 1999
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368 /   HD   HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES

155  DF  ELECTRICAL TIME BASE {2}
160  DF  .~ For reciprocating or oscillating element {3}
161  DF  .~.~ Balance wheel type {3}
164.~.~.~ With opening and closing of contacts

DEFINITION

Classification: 368/164

With opening and closing of contacts:

(under subclass 161) Subject matter wherein the balance wheel opens and closes an electrical contact.

SEE OR SEARCH CLASS

318, Electricity: Motive Power Systems,

134, for motive power systems having reciprocating or oscillating motors wherein the winding energization is controlled by circuit making and breaking devices.