US PATENT SUBCLASS 200 / 19.31
.~.~ Timer

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

19.01  DF  PERIODIC {13}
19.3  DF  .~ Contact breaker detail {1}
19.31.~.~ Timer

DEFINITION

Classification: 200/19.31

Timer:

(under subclass 19.3) Subject matter including a special clock mechanism used to perform switching operations at predetermined time intervals.

SEE OR SEARCH THIS CLASS, SUBCLASS:

19.04, for rotary and cam-contact timer.

19.08, for rotary multiple-contact timer.

19.29, for cam-operated periodic contact timer.