US PATENT SUBCLASS 215 / 25
.~.~.~ Multiple type

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

14  DF  NONREFILLABLE {3}
17  DF  .~ Guard or valve type {3}
18  DF  .~.~ Valves {4}
25.~.~.~ Multiple type

DEFINITION

Classification: 215/25

(under subclass 18) Subject matter in which the novelty lies not in the specific construction of the valve but in the combination of a plurality of valves.