US PATENT SUBCLASS 70 / 376
.~.~.~.~.~.~ Tumblers

Current as of: June, 1999
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70 /   HD   LOCKS

266  DF  OPERATING MECHANISM {6}
336  DF  .~ Key {10}
344  DF  .~.~ Single key {4}
348  DF  .~.~.~ Tumbler type {5}
357  DF  .~.~.~.~ Cylinder type {9}
372  DF  .~.~.~.~.~ Operating elements, parts and adjuncts {5}
376.~.~.~.~.~.~ Tumblers {2}
377  DF  .~.~.~.~.~.~.~> Plate
378  DF  .~.~.~.~.~.~.~> Pin

DEFINITION

Classification: 70/376

(under subclass 372) Devices in the form of movable parts.

SEE OR SEARCH CLASS

29, Metal Working,

445, for processes of sizing tumblers in situ in the lock.