US PATENT SUBCLASS 220 / 264
.~.~.~.~ Biasing means

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

Internet Version by PATENTEC © 1999      Terms of Use


220 /   HD   RECEPTACLES

200  DF  CLOSURES {45}
260  DF  .~ With closure opening arrangements for means (e.g., opening devices) {5}
262  DF  .~.~ Operator actuates closure in its opening or closing movement (e.g., foot pedal) {1}
263  DF  .~.~.~ Hinged closure {1}
264.~.~.~.~ Biasing means

DEFINITION

Classification: 220/264

(under subclass 263) Device provided with means for (1) urging the closure to an open or a closed position, or (2) retaining the closure in an open or closed position by a biasing action thereon, e.g., spring or weight.