US PATENT SUBCLASS 200 / 189
.~.~ Progressive contacts


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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.