US PATENT SUBCLASS 215 / 15
.~ Air trap

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

14  DF  NONREFILLABLE {3}
15.~ Air trap

DEFINITION

Classification: 215/15

(under subclass 14) Nonrefillable receptacles in which the refilling is prevented by a construction in the form of an air-trap.