US PATENT SUBCLASS 215 / 19
.~.~.~ Single type spring controlled

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}
19.~.~.~ Single type spring controlled

DEFINITION

Classification: 215/19

(under subclass 18) Nonrefillable receptacles having a single spring-actuated valve.