US PATENT SUBCLASS 220 / 225
.~.~.~.~ Fluid filled gasket

Current as of: June, 1999
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220 /   HD   RECEPTACLES

200  DF  CLOSURES {45}
216  DF  .~ Floating closure {6}
221  DF  .~.~ With gasket means intermediate closure rim and receptacle {1}
222  DF  .~.~.~ Attached to closure {4}
225.~.~.~.~ Fluid filled gasket

DEFINITION

Classification: 220/225

(under subclass 222) Device wherein the gasket is distended by captive gas or liquid.