US PATENT SUBCLASS 70 / 344
.~.~ Single key

Current as of: June, 1999
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70 /   HD   LOCKS

266  DF  OPERATING MECHANISM {6}
336  DF  .~ Key {10}
344.~.~ Single key {4}
345  DF  .~.~.~> Tumblerless push or pull key
346  DF  .~.~.~> Tumblerless warded
347  DF  .~.~.~> Tumbler and ward type
348  DF  .~.~.~> Tumbler type {5}

DEFINITION

Classification: 70/344

(under subclass 336) Subject matter wherein a single key is employed to effect release of the operating mechanism.