US PATENT SUBCLASS 220 / 292
.~.~.~ Biased

Current as of: June, 1999
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220 /   HD   RECEPTACLES

200  DF  CLOSURES {45}
288  DF  .~ Removable closure guided in rotary movement (e.g., screw) {6}
291  DF  .~.~ Swinging and rotary {1}
292.~.~.~ Biased

DEFINITION

Classification: 220/292

(under subclass 288) Device in which the connection for swinging motion is a biased pivot or is in the form of a spring.