US PATENT SUBCLASS 220 / 724
.~ Valve protector

Current as of: June, 1999
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220 /   HD   RECEPTACLES

694  DF  CONTAINER ATTACHMENT OR ADJUNCT {21}
724.~ Valve protector {4}
725  DF  .~.~> With provision for locking device
726  DF  .~.~> Rotatably mounted
727  DF  .~.~> Removably attached by rotary motion (e.g., screw, bayonet, etc.)
728  DF  .~.~> Pivotable portion permits access to valve

DEFINITION

Classification: 220/724

Valve protector:

(under subclass 694) Subject matter wherein the attachment has structure which is intended to prevent a valve attached to the receptacle from being damaged.