US PATENT SUBCLASS 200 / 189
.~.~ Progressive contacts
Current as of:
June, 1999
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200 /
HD
ELECTRICITY: CIRCUIT MAKERS AND BREAKERS
182
DF
LIQUID CONTACT
{17}
187
DF
.~ Plural switches (in same housing) {2}
189
.~.~ Progressive contacts
DEFINITION
Classification: 200/189
(under subclass 187) Subject matter wherein a number of circuits are to be successively completed in a predetermined sequence, responsive to the relative movement of the contacts and the liquid.