US PATENT SUBCLASS 215 / 218
.~.~.~ Closure threaded to receptacle and/or rotatable closure removal obstruction

Current as of: June, 1999
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215 /   HD   BOTTLES AND JARS

200  DF  CLOSURES {32}
201  DF  .~ Having warning means or means impeding closure removal (e.g., child proof) {15}
217  DF  .~.~ Closure guided in simultaneous turning and reciprocating movememnt (e.g., screw threaded) {4}
218.~.~.~ Closure threaded to receptacle and/or rotatable closure removal obstruction

DEFINITION

Classification: 215/218

(under subclass 217) Devices, wherein a threaded rotatable obstruction surrounds the neck of the receptacle and is attached to the closure in such a manner that relative rotation between the closure and the obstruction must be achieved in a prescribed manner to allow closure removal.