US PATENT SUBCLASS 220 / 284
.~.~ Special tool or tool engaging means

Current as of: June, 1999
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220 /   HD   RECEPTACLES

200  DF  CLOSURES {45}
260  DF  .~ With closure opening arrangements for means (e.g., opening devices) {5}
284.~.~ Special tool or tool engaging means {1}
285  DF  .~.~.~> Attached raising or pry-off means {1}

DEFINITION

Classification: 220/284

(under subclass 260) Device wherein the closure is provided with (1) means to receive or accommodate a tool which is specially constructed to limit its use to the particular receiving means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

210, wherein the tool is a "lock type" key.

SEE OR SEARCH CLASS

81, Tools,

3.07+, for a receptacle closure remover tool, per se.