US PATENT SUBCLASS 215 / 262
.~ With vacuum breaker

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

200  DF  CLOSURES {32}
262.~ With vacuum breaker

DEFINITION

Classification: 215/262

(under subclass 200) Devices, wherein the closure is provided with means to manually release a negative pressure within the receptacle.

(1) Note. The devices in this subclass are usually for the purpose of assisting in closure removal.