US PATENT SUBCLASS 220 / 783
.~.~ Closure interlocked by upward opening trough at passage mouth

Current as of: June, 1999
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220 /   HD   RECEPTACLES

200  DF  CLOSURES {45}
780  DF  .~ Removable closure situated by resilient distortion and retained by preformed configuration (e.g., detent) {9}
783.~.~ Closure interlocked by upward opening trough at passage mouth

DEFINITION

Classification: 220/783

Closure interlocked by upward opening trough at passage mouth:

(under subclass 780) Subject matter wherein the closure is intended to be retained by a preformed configuration in an upwardly open channel surrounding the access opening of a container.

SEE OR SEARCH THIS CLASS, SUBCLASS:

797, for a removable closure received by an upwardly open channel and retained by friction (e.g., a paint can lid

retained by friction).