US PATENT SUBCLASS 220 / 291
.~.~ Swinging and rotary

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.~.~ Swinging and rotary {1}
292  DF  .~.~.~> Biased

DEFINITION

Classification: 220/291

(under subclass 288) Device in which the closure element has motion of rotation about a central axis and is also mounted for a swinging motion.