US PATENT SUBCLASS 335 / 51
.~.~.~ Magnetic

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

Internet Version by PATENTEC © 1999      Terms of Use


335 /   HD   ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS

2  DF  ELECTROMAGNETICALLY ACTUATED SWITCHES {30}
47  DF  .~ Utilizing conductive liquid (e.g., mercury) {4}
49  DF  .~.~ With liquid-displacement means {3}
51.~.~.~ Magnetic {1}
52  DF  .~.~.~.~> Piston or plunger {1}

DEFINITION

Classification: 335/51

(under subclass 49) Subject matter wherein the liquid displacement structure includes magnetic flux generating means acting either directly upon the liquid or upon other means such as a piston or plunger which in turn acts to displace the liquid.