US PATENT SUBCLASS 220 / 274
.~.~.~.~.~ Adapted for engagement with special tool (e.g., slotted key)


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}
265  DF  .~.~ Frangible member or portion {2}
266  DF  .~.~.~ About line or point of weakness {4}
270  DF  .~.~.~.~ With gripping means (e.g., pull tab) {4}
274.~.~.~.~.~ Adapted for engagement with special tool (e.g., slotted key) {1}
275  DF  .~.~.~.~.~.~> With strip or tool guide


DEFINITION

Classification: 220/274

(under subclass 270) Device wherein the means to grip the member or portion is constructed to accommodate a special tool such as, for example, a slotted key.

SEE OR SEARCH THIS CLASS, SUBCLASS:

284, for special tool engaging means associated with nonfrangible closures.