US PATENT SUBCLASS 215 / 250
.~ Frangible member or portion

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

200  DF  CLOSURES {32}
250.~ Frangible member or portion {4}
251  DF  .~.~> Outer closure breaks or tears away to expose second closure
252  DF  .~.~> Twist-off motion frees reusable closure
253  DF  .~.~> About line or point of weakness {1}
257  DF  .~.~> With cutting or tearing means (e.g., wire or string rip cord)

DEFINITION

Classification: 215/250

(under subclass 200) Devices which are attached to the receptacle in such a manner that all or a portion of the closure or its connecting means must be broken or smashed in order to give access to the receptacle or secondary closure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

249, for pierceable type closures protected by a frangible cover.

SEE OR SEARCH CLASS

220, Receptacles,

265+, for metallic receptacles having frangible closures.

401, Coating Implement With Material Supply, 132, for a supply cartridge for a hand-manipulable coating implement with material supply, which cartridge has a frangible closure which is broken for establishing flow to the tool; and indented subclasses 133+ for a hand implement which includes means for cutting or piercing the frangible closure.