US PATENT SUBCLASS 200 / 209
.~ Piston or plunger means

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}
209.~ Piston or plunger means {1}
210  DF  .~.~> Contact attached to or unitary with piston or plunger

DEFINITION

Classification: 200/209

(under subclass 182) Subject matter wherein piston means (e.g., rod or plunger) are used to force the conductive liquid into electrical connection with the switch contacts.